135642704 has 20 divisors (see below), whose sum is σ = 263043060. Its totient is φ = 67760640.

The previous prime is 135642679. The next prime is 135642709. The reversal of 135642704 is 407246531.

It can be written as a sum of positive squares in 2 ways, for example, as 44249104 + 91393600 = 6652^2 + 9560^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135642709) 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, 18662 + ... + 24890.

It is an arithmetic number, because the mean of its divisors is an integer number (13152153).

Almost surely, 2^135642704 is an apocalyptic number.

It is an amenable number.

135642704 is a deficient number, since it is larger than the sum of its proper divisors (127400356).

135642704 is a wasteful number, since it uses less digits than its factorization.

135642704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7598 (or 7592 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 135642704 is about 11646.5747754436. The cubic root of 135642704 is about 513.8055758081.

The spelling of 135642704 in words is "one hundred thirty-five million, six hundred forty-two thousand, seven hundred four".