139513516 has 12 divisors (see below), whose sum is σ = 252024640. Its totient is φ = 67506480.

The previous prime is 139513511. The next prime is 139513537. The reversal of 139513516 is 615315931.

It is a happy number.

It is a super-2 number, since 2×139513516² = 38928042293364512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139513511) 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, 562431 + ... + 562678.

Almost surely, 2^139513516 is an apocalyptic number.

It is an amenable number.

139513516 is a deficient number, since it is larger than the sum of its proper divisors (112511124).

139513516 is a wasteful number, since it uses less digits than its factorization.

139513516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125144 (or 1125142 counting only the distinct ones).

The product of its digits is 12150, while the sum is 34.

The square root of 139513516 is about 11811.5839750645. The cubic root of 139513516 is about 518.6472680680.

The spelling of 139513516 in words is "one hundred thirty-nine million, five hundred thirteen thousand, five hundred sixteen".