139564652 has 24 divisors (see below), whose sum is σ = 257476800. Its totient is φ = 66010896.

The previous prime is 139564651. The next prime is 139564657. The reversal of 139564652 is 256465931.

It is a super-2 number, since 2×139564652² = 38956584175762208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139564651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87599 + ... + 89177.

It is an arithmetic number, because the mean of its divisors is an integer number (10728200).

Almost surely, 2^139564652 is an apocalyptic number.

It is an amenable number.

139564652 is a deficient number, since it is larger than the sum of its proper divisors (117912148).

139564652 is a wasteful number, since it uses less digits than its factorization.

139564652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765 (or 2763 counting only the distinct ones).

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

The square root of 139564652 is about 11813.7484313828. The cubic root of 139564652 is about 518.7106270596.

The spelling of 139564652 in words is "one hundred thirty-nine million, five hundred sixty-four thousand, six hundred fifty-two".