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135511753 = 1310423981
BaseRepresentation
bin10000001001110…
…11111011001001
3100102222201011211
420010323323021
5234142334003
621240253121
73233554666
oct1004737311
9312881154
10135511753
116a546a93
12394711a1
13220c8490
1413dd6a6d
15bd6b96d
hex813bec9

135511753 has 4 divisors (see below), whose sum is σ = 145935748. Its totient is φ = 125087760.

The previous prime is 135511741. The next prime is 135511759. The reversal of 135511753 is 357115531.

135511753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 357115531 = 1307273233.

It can be written as a sum of positive squares in 2 ways, for example, as 49449024 + 86062729 = 7032^2 + 9277^2 .

It is a cyclic number.

It is not a de Polignac number, because 135511753 - 29 = 135511241 is a prime.

It is a super-2 number, since 2×1355117532 = 36726870402266018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135511759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5211978 + ... + 5212003.

It is an arithmetic number, because the mean of its divisors is an integer number (36483937).

Almost surely, 2135511753 is an apocalyptic number.

135511753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135511753 is a deficient number, since it is larger than the sum of its proper divisors (10423995).

135511753 is a wasteful number, since it uses less digits than its factorization.

135511753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10423994.

The product of its digits is 7875, while the sum is 31.

The square root of 135511753 is about 11640.9515504533. The cubic root of 135511753 is about 513.6401780004.

The spelling of 135511753 in words is "one hundred thirty-five million, five hundred eleven thousand, seven hundred fifty-three".

Divisors: 1 13 10423981 135511753