139648120 has 32 divisors (see below), whose sum is σ = 317746800. Its totient is φ = 55230208.

The previous prime is 139648109. The next prime is 139648147. The reversal of 139648120 is 21846931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16054 + ... + 23173.

Almost surely, 2^139648120 is an apocalyptic number.

139648120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139648120 is an abundant number, since it is smaller than the sum of its proper divisors (178098680).

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

139648120 is a wasteful number, since it uses less digits than its factorization.

139648120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39327 (or 39323 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 139648120 is about 11817.2805670340. The cubic root of 139648120 is about 518.8140131002.

The spelling of 139648120 in words is "one hundred thirty-nine million, six hundred forty-eight thousand, one hundred twenty".