139037484 has 72 divisors (see below), whose sum is σ = 351187200. Its totient is φ = 42730688.

The previous prime is 139037477. The next prime is 139037489. The reversal of 139037484 is 484730931.

It is not an unprimeable number, because it can be changed into a prime (139037489) 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 23 ways as a sum of consecutive naturals, for example, 231817 + ... + 232415.

It is an arithmetic number, because the mean of its divisors is an integer number (4877600).

Almost surely, 2^139037484 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 139037484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175593600).

139037484 is an abundant number, since it is smaller than the sum of its proper divisors (212149716).

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

139037484 is a wasteful number, since it uses less digits than its factorization.

139037484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 139037484 is about 11791.4156910865. The cubic root of 139037484 is about 518.0567063237.

The spelling of 139037484 in words is "one hundred thirty-nine million, thirty-seven thousand, four hundred eighty-four".