135961304 has 24 divisors (see below), whose sum is σ = 258140460. Its totient is φ = 67134384.

The previous prime is 135961279. The next prime is 135961307. The reversal of 135961304 is 403169531.

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 (135961307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53879 + ... + 56345.

Almost surely, 2^135961304 is an apocalyptic number.

It is an amenable number.

135961304 is a deficient number, since it is larger than the sum of its proper divisors (122179156).

135961304 is an equidigital number, since it uses as much as digits as its factorization.

135961304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639 (or 2552 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 135961304 is about 11660.2445943471. The cubic root of 135961304 is about 514.2075398225.

The spelling of 135961304 in words is "one hundred thirty-five million, nine hundred sixty-one thousand, three hundred four".