139300492 has 12 divisors (see below), whose sum is σ = 244374760. Its totient is φ = 69479136.

The previous prime is 139300481. The next prime is 139300501. The reversal of 139300492 is 294003931.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40938 + ... + 44209.

Almost surely, 2^139300492 is an apocalyptic number.

It is an amenable number.

139300492 is a deficient number, since it is larger than the sum of its proper divisors (105074268).

139300492 is a wasteful number, since it uses less digits than its factorization.

139300492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85560 (or 85558 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 139300492 is about 11802.5629420054. The cubic root of 139300492 is about 518.3831584209.

The spelling of 139300492 in words is "one hundred thirty-nine million, three hundred thousand, four hundred ninety-two".