139495052 has 12 divisors (see below), whose sum is σ = 244417320. Its totient is φ = 69661536.

The previous prime is 139495051. The next prime is 139495067. The reversal of 139495052 is 250594931.

It is a junction number, because it is equal to n+sod(n) for n = 139494997 and 139495015.

It is not an unprimeable number, because it can be changed into a prime (139495051) 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, 17777 + ... + 24392.

It is an arithmetic number, because the mean of its divisors is an integer number (20368110).

Almost surely, 2^139495052 is an apocalyptic number.

It is an amenable number.

139495052 is a deficient number, since it is larger than the sum of its proper divisors (104922268).

139495052 is a wasteful number, since it uses less digits than its factorization.

139495052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43000 (or 42998 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 139495052 is about 11810.8023436175. The cubic root of 139495052 is about 518.6243868306.

The spelling of 139495052 in words is "one hundred thirty-nine million, four hundred ninety-five thousand, fifty-two".