139935120 has 80 divisors (see below), whose sum is σ = 467178432. Its totient is φ = 34444800.

The previous prime is 139935119. The next prime is 139935139. The reversal of 139935120 is 21539931.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 19306 + ... + 25545.

Almost surely, 2^139935120 is an apocalyptic number.

139935120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139935120 is an abundant number, since it is smaller than the sum of its proper divisors (327243312).

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

139935120 is a wasteful number, since it uses less digits than its factorization.

139935120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44880 (or 44874 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 139935120 is about 11829.4175680800. The cubic root of 139935120 is about 519.1691861203.

The spelling of 139935120 in words is "one hundred thirty-nine million, nine hundred thirty-five thousand, one hundred twenty".