139289880 has 32 divisors (see below), whose sum is σ = 417870000. Its totient is φ = 37143936.

The previous prime is 139289879. The next prime is 139289881. The reversal of 139289880 is 88982931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (139289879) and next prime (139289881).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139289881) 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, 580255 + ... + 580494.

Almost surely, 2^139289880 is an apocalyptic number.

139289880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139289880 is an abundant number, since it is smaller than the sum of its proper divisors (278580120).

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

139289880 is a wasteful number, since it uses less digits than its factorization.

139289880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160763 (or 1160759 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 139289880 is about 11802.1133700706. The cubic root of 139289880 is about 518.3699945005.

The spelling of 139289880 in words is "one hundred thirty-nine million, two hundred eighty-nine thousand, eight hundred eighty".