135939164 has 12 divisors (see below), whose sum is σ = 239127504. Its totient is φ = 67617024.

The previous prime is 135939163. The next prime is 135939187. The reversal of 135939164 is 461939531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135939161) 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, 87272 + ... + 88815.

It is an arithmetic number, because the mean of its divisors is an integer number (19927292).

Almost surely, 2^135939164 is an apocalyptic number.

It is an amenable number.

135939164 is a deficient number, since it is larger than the sum of its proper divisors (103188340).

135939164 is a wasteful number, since it uses less digits than its factorization.

135939164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176284 (or 176282 counting only the distinct ones).

The product of its digits is 87480, while the sum is 41.

The square root of 135939164 is about 11659.2951759530. The cubic root of 135939164 is about 514.1796270449.

The spelling of 135939164 in words is "one hundred thirty-five million, nine hundred thirty-nine thousand, one hundred sixty-four".