135761535 has 128 divisors (see below), whose sum is σ = 305141760. Its totient is φ = 55738368.

The previous prime is 135761513. The next prime is 135761551. The reversal of 135761535 is 535167531.

135761535 is a `hidden beast` number, since 1 + 3 + 5 + 7 + 615 + 35 = 666.

It is not a de Polignac number, because 135761535 - 2⁵ = 135761503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135761535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 528127 + ... + 528383.

It is an arithmetic number, because the mean of its divisors is an integer number (2383920).

Almost surely, 2^135761535 is an apocalyptic number.

135761535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135761535 is an abundant number, since it is smaller than the sum of its proper divisors (169380225).

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

135761535 is a wasteful number, since it uses less digits than its factorization.

135761535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 328 counting only the distinct ones).

The product of its digits is 47250, while the sum is 36.

The square root of 135761535 is about 11651.6752014464. The cubic root of 135761535 is about 513.9555733327.

The spelling of 135761535 in words is "one hundred thirty-five million, seven hundred sixty-one thousand, five hundred thirty-five".