139112880 has 40 divisors (see below), whose sum is σ = 431250672. Its totient is φ = 37096704.

The previous prime is 139112873. The next prime is 139112881. The reversal of 139112880 is 88211931.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (139112881) 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, 289579 + ... + 290058.

Almost surely, 2^139112880 is an apocalyptic number.

139112880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139112880 is an abundant number, since it is smaller than the sum of its proper divisors (292137792).

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

139112880 is a wasteful number, since it uses less digits than its factorization.

139112880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579653 (or 579647 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 139112880 is about 11794.6123293646. The cubic root of 139112880 is about 518.1503317839.

The spelling of 139112880 in words is "one hundred thirty-nine million, one hundred twelve thousand, eight hundred eighty".