139764120 has 64 divisors (see below), whose sum is σ = 432829440. Its totient is φ = 36067200.

The previous prime is 139764109. The next prime is 139764143. The reversal of 139764120 is 21467931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15066 + ... + 22505.

It is an arithmetic number, because the mean of its divisors is an integer number (6762960).

Almost surely, 2^139764120 is an apocalyptic number.

139764120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139764120 is an abundant number, since it is smaller than the sum of its proper divisors (293065320).

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

139764120 is a wasteful number, since it uses less digits than its factorization.

139764120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37616 (or 37612 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 139764120 is about 11822.1876148199. The cubic root of 139764120 is about 518.9576258929.

The spelling of 139764120 in words is "one hundred thirty-nine million, seven hundred sixty-four thousand, one hundred twenty".