139366478748 has 72 divisors (see below), whose sum is σ = 380261274624. Its totient is φ = 39610485600.

The previous prime is 139366478717. The next prime is 139366478761. The reversal of 139366478748 is 847874663931.

139366478748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 508158 + ... + 732773.

It is an arithmetic number, because the mean of its divisors is an integer number (5281406592).

Almost surely, 2^139366478748 is an apocalyptic number.

It is an amenable number.

139366478748 is an abundant number, since it is smaller than the sum of its proper divisors (240894795876).

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

139366478748 is a wasteful number, since it uses less digits than its factorization.

139366478748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241143 (or 1241134 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 66.

The spelling of 139366478748 in words is "one hundred thirty-nine billion, three hundred sixty-six million, four hundred seventy-eight thousand, seven hundred forty-eight".