139250956 has 12 divisors (see below), whose sum is σ = 262434592. Its totient is φ = 64269648.

The previous prime is 139250939. The next prime is 139250957. The reversal of 139250956 is 659052931.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (139250957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338900 + ... + 1339003.

Almost surely, 2^139250956 is an apocalyptic number.

It is an amenable number.

139250956 is a deficient number, since it is larger than the sum of its proper divisors (123183636).

139250956 is a wasteful number, since it uses less digits than its factorization.

139250956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677920 (or 2677918 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 40.

The square root of 139250956 is about 11800.4642281564. The cubic root of 139250956 is about 518.3217045280.

The spelling of 139250956 in words is "one hundred thirty-nine million, two hundred fifty thousand, nine hundred fifty-six".