139459488 has 144 divisors (see below), whose sum is σ = 444709440. Its totient is φ = 38083584.

The previous prime is 139459477. The next prime is 139459499. The reversal of 139459488 is 884954931.

It is an interprime number because it is at equal distance from previous prime (139459477) and next prime (139459499).

It is a self number, because there is not a number n which added to its sum of digits gives 139459488.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107548 + ... + 108836.

It is an arithmetic number, because the mean of its divisors is an integer number (3088260).

Almost surely, 2^139459488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139459488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222354720).

139459488 is an abundant number, since it is smaller than the sum of its proper divisors (305249952).

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

139459488 is a wasteful number, since it uses less digits than its factorization.

139459488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339 (or 1324 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 139459488 is about 11809.2966767712. The cubic root of 139459488 is about 518.5803089820.

The spelling of 139459488 in words is "one hundred thirty-nine million, four hundred fifty-nine thousand, four hundred eighty-eight".