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135087101 = 479282019
BaseRepresentation
bin10000000110101…
…00001111111101
3100102012010122222
420003110033331
5234040241401
621223215125
73230135642
oct1003241775
9312163588
10135087101
116a286a36
12392a74a5
1321caa0c6
1413d25dc9
15bcd5c1b
hex80d43fd

135087101 has 4 divisors (see below), whose sum is σ = 135369600. Its totient is φ = 134804604.

The previous prime is 135087067. The next prime is 135087107. The reversal of 135087101 is 101780531.

135087101 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101780531 = 499203969.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-135087101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135087107) 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, 140531 + ... + 141488.

It is an arithmetic number, because the mean of its divisors is an integer number (33842400).

Almost surely, 2135087101 is an apocalyptic number.

It is an amenable number.

135087101 is a deficient number, since it is larger than the sum of its proper divisors (282499).

135087101 is an equidigital number, since it uses as much as digits as its factorization.

135087101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282498.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 135087101 is about 11622.6976644839. The cubic root of 135087101 is about 513.1030866657.

The spelling of 135087101 in words is "one hundred thirty-five million, eighty-seven thousand, one hundred one".

Divisors: 1 479 282019 135087101