139287232448 has 56 divisors (see below), whose sum is σ = 340182293472. Its totient is φ = 55102639104.

The previous prime is 139287232429. The next prime is 139287232451. The reversal of 139287232448 is 844232782931.

It is a tau number, because it is divible by the number of its divisors (56).

It is a self number, because there is not a number n which added to its sum of digits gives 139287232448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11952215 + ... + 11963862.

It is an arithmetic number, because the mean of its divisors is an integer number (6074683812).

Almost surely, 2^139287232448 is an apocalyptic number.

It is an amenable number.

139287232448 is an abundant number, since it is smaller than the sum of its proper divisors (200895061024).

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

139287232448 is a wasteful number, since it uses less digits than its factorization.

139287232448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23916109 (or 23916099 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 53.

The spelling of 139287232448 in words is "one hundred thirty-nine billion, two hundred eighty-seven million, two hundred thirty-two thousand, four hundred forty-eight".