139264556 has 12 divisors (see below), whose sum is σ = 244498800. Its totient is φ = 69407760.

The previous prime is 139264553. The next prime is 139264571. The reversal of 139264556 is 655462931.

It is not an unprimeable number, because it can be changed into a prime (139264553) 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, 54731 + ... + 57218.

It is an arithmetic number, because the mean of its divisors is an integer number (20374900).

Almost surely, 2^139264556 is an apocalyptic number.

It is an amenable number.

139264556 is a deficient number, since it is larger than the sum of its proper divisors (105234244).

139264556 is a wasteful number, since it uses less digits than its factorization.

139264556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112264 (or 112262 counting only the distinct ones).

The product of its digits is 194400, while the sum is 41.

The square root of 139264556 is about 11801.0404626033. The cubic root of 139264556 is about 518.3385780105.

The spelling of 139264556 in words is "one hundred thirty-nine million, two hundred sixty-four thousand, five hundred fifty-six".