139896980 has 24 divisors (see below), whose sum is σ = 297924480. Its totient is φ = 55170080.

The previous prime is 139896979. The next prime is 139896983. The reversal of 139896980 is 89698931.

139896980 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139896983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47840 + ... + 50679.

It is an arithmetic number, because the mean of its divisors is an integer number (12413520).

Almost surely, 2^139896980 is an apocalyptic number.

139896980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139896980 is an abundant number, since it is smaller than the sum of its proper divisors (158027500).

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

139896980 is a wasteful number, since it uses less digits than its factorization.

139896980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98599 (or 98597 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 53.

The square root of 139896980 is about 11827.8053754701. The cubic root of 139896980 is about 519.1220144692.

The spelling of 139896980 in words is "one hundred thirty-nine million, eight hundred ninety-six thousand, nine hundred eighty".