139442177754 has 64 divisors (see below), whose sum is σ = 342114554880. Its totient is φ = 41746091760.

The previous prime is 139442177747. The next prime is 139442177767. The reversal of 139442177754 is 457771244931.

139442177754 is a `hidden beast` number, since 13 + 94 + 421 + 7 + 77 + 54 = 666.

139442177754 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 (54).

It is a self number, because there is not a number n which added to its sum of digits gives 139442177754.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1364862 + ... + 1463465.

It is an arithmetic number, because the mean of its divisors is an integer number (5345539920).

Almost surely, 2^139442177754 is an apocalyptic number.

139442177754 is an abundant number, since it is smaller than the sum of its proper divisors (202672377126).

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

139442177754 is a wasteful number, since it uses less digits than its factorization.

139442177754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828432 (or 2828426 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The spelling of 139442177754 in words is "one hundred thirty-nine billion, four hundred forty-two million, one hundred seventy-seven thousand, seven hundred fifty-four".