139044488 has 36 divisors (see below), whose sum is σ = 287321895. Its totient is φ = 63035280.

The previous prime is 139044469. The next prime is 139044491. The reversal of 139044488 is 884440931.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

139044488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 69522244 + 69522244 = 8338^2 + 8338^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8338.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 366683 + ... + 367061.

Almost surely, 2^139044488 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 139044488

139044488 is an abundant number, since it is smaller than the sum of its proper divisors (148277407).

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

139044488 is an equidigital number, since it uses as much as digits as its factorization.

139044488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 139044488 is about 11791.7126830669. The cubic root of 139044488 is about 518.0654051966.

The spelling of 139044488 in words is "one hundred thirty-nine million, forty-four thousand, four hundred eighty-eight".