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135707530 = 2572966851
BaseRepresentation
bin10000001011010…
…11101110001010
3100110100122201211
420011223232022
5234220120110
621244403334
73235331530
oct1005535612
9313318654
10135707530
116a670092
123954654a
132216661a
1414048150
15bda998a
hex816bb8a

135707530 has 32 divisors (see below), whose sum is σ = 288800640. Its totient is φ = 44923200.

The previous prime is 135707513. The next prime is 135707531. The reversal of 135707530 is 35707531.

It is a happy number.

It is a super-3 number, since 3×1357075303 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135707492 and 135707501.

It is not an unprimeable number, because it can be changed into a prime (135707531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31396 + ... + 35455.

It is an arithmetic number, because the mean of its divisors is an integer number (9025020).

Almost surely, 2135707530 is an apocalyptic number.

135707530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135707530 is an abundant number, since it is smaller than the sum of its proper divisors (153093110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135707530 is a wasteful number, since it uses less digits than its factorization.

135707530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66894.

The product of its (nonzero) digits is 11025, while the sum is 31.

The square root of 135707530 is about 11649.3574930122. The cubic root of 135707530 is about 513.8874149697.

Subtracting from 135707530 its reverse (35707531), we obtain a palindrome (99999999).

The spelling of 135707530 in words is "one hundred thirty-five million, seven hundred seven thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 1015 2030 66851 133702 334255 467957 668510 935914 1938679 2339785 3877358 4679570 9693395 13570753 19386790 27141506 67853765 135707530