139508796 has 48 divisors (see below), whose sum is σ = 382086656. Its totient is φ = 38781504.

The previous prime is 139508741. The next prime is 139508797. The reversal of 139508796 is 697805931.

It is a super-2 number, since 2×139508796² = 38925408322739232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139508797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19336 + ... + 25551.

Almost surely, 2^139508796 is an apocalyptic number.

It is an amenable number.

139508796 is an abundant number, since it is smaller than the sum of its proper divisors (242577860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139508796 is a wasteful number, since it uses less digits than its factorization.

139508796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44938 (or 44936 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 139508796 is about 11811.3841695205. The cubic root of 139508796 is about 518.6414190703.

The spelling of 139508796 in words is "one hundred thirty-nine million, five hundred eight thousand, seven hundred ninety-six".