139351577992 has 16 divisors (see below), whose sum is σ = 285037318800. Its totient is φ = 63341626320.

The previous prime is 139351577987. The next prime is 139351577993. The reversal of 139351577992 is 299775153931.

It is a self number, because there is not a number n which added to its sum of digits gives 139351577992.

It is not an unprimeable number, because it can be changed into a prime (139351577993) 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 3 ways as a sum of consecutive naturals, for example, 791770242 + ... + 791770417.

It is an arithmetic number, because the mean of its divisors is an integer number (17814832425).

Almost surely, 2^139351577992 is an apocalyptic number.

It is an amenable number.

139351577992 is an abundant number, since it is smaller than the sum of its proper divisors (145685740808).

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

139351577992 is a wasteful number, since it uses less digits than its factorization.

139351577992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583540676 (or 1583540672 counting only the distinct ones).

The product of its digits is 16074450, while the sum is 61.

The spelling of 139351577992 in words is "one hundred thirty-nine billion, three hundred fifty-one million, five hundred seventy-seven thousand, nine hundred ninety-two".