139002501264 has 80 divisors (see below), whose sum is σ = 392024176704. Its totient is φ = 42090803200.

The previous prime is 139002501233. The next prime is 139002501293. The reversal of 139002501264 is 462105200931.

139002501264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621892 + ... + 815324.

Almost surely, 2^139002501264 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 139002501264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196012088352).

139002501264 is an abundant number, since it is smaller than the sum of its proper divisors (253021675440).

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

139002501264 is a wasteful number, since it uses less digits than its factorization.

139002501264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194816 (or 194810 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 139002501264 in words is "one hundred thirty-nine billion, two million, five hundred one thousand, two hundred sixty-four".