139010508 has 72 divisors (see below), whose sum is σ = 432487328. Its totient is φ = 36661248.

The previous prime is 139010503. The next prime is 139010527. The reversal of 139010508 is 805010931.

It is not an unprimeable number, because it can be changed into a prime (139010503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17941 + ... + 24492.

Almost surely, 2^139010508 is an apocalyptic number.

139010508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

139010508 is an abundant number, since it is smaller than the sum of its proper divisors (293476820).

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

139010508 is a wasteful number, since it uses less digits than its factorization.

139010508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42463 (or 42458 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 139010508 is about 11790.2717525933. The cubic root of 139010508 is about 518.0231997679.

The spelling of 139010508 in words is "one hundred thirty-nine million, ten thousand, five hundred eight".