139566499377312 has 48 divisors (see below), whose sum is σ = 418699498133952. Its totient is φ = 39876142679040.

The previous prime is 139566499377311. The next prime is 139566499377367. The reversal of 139566499377312 is 213773994665931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (139566499377311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103844120889 + ... + 103844122232.

It is an arithmetic number, because the mean of its divisors is an integer number (8722906211124).

Almost surely, 2^{139566499377312} is an apocalyptic number.

139566499377312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139566499377312 is an abundant number, since it is smaller than the sum of its proper divisors (279132998756640).

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

139566499377312 is a wasteful number, since it uses less digits than its factorization.

139566499377312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207688243141 (or 207688243133 counting only the distinct ones).

The product of its digits is 1388832480, while the sum is 75.

The spelling of 139566499377312 in words is "one hundred thirty-nine trillion, five hundred sixty-six billion, four hundred ninety-nine million, three hundred seventy-seven thousand, three hundred twelve".