139910480 has 20 divisors (see below), whose sum is σ = 325292052. Its totient is φ = 55964160.

The previous prime is 139910479. The next prime is 139910497. The reversal of 139910480 is 84019931.

It can be written as a sum of positive squares in 2 ways, for example, as 28987456 + 110923024 = 5384^2 + 10532^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 139910480.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 874361 + ... + 874520.

Almost surely, 2^139910480 is an apocalyptic number.

139910480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139910480 is an abundant number, since it is smaller than the sum of its proper divisors (185381572).

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

139910480 is a wasteful number, since it uses less digits than its factorization.

139910480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748894 (or 1748888 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 139910480 is about 11828.3760508364. The cubic root of 139910480 is about 519.1387122844.

The spelling of 139910480 in words is "one hundred thirty-nine million, nine hundred ten thousand, four hundred eighty".