138616299152 has 40 divisors (see below), whose sum is σ = 274869624480. Its totient is φ = 67682845440.

The previous prime is 138616299139. The next prime is 138616299193. The reversal of 138616299152 is 251992616831.

It is a junction number, because it is equal to n+sod(n) for n = 138616299094 and 138616299103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4028999 + ... + 4063257.

It is an arithmetic number, because the mean of its divisors is an integer number (6871740612).

Almost surely, 2^138616299152 is an apocalyptic number.

It is an amenable number.

138616299152 is a deficient number, since it is larger than the sum of its proper divisors (136253325328).

138616299152 is a wasteful number, since it uses less digits than its factorization.

138616299152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40191 (or 40185 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 53.

The spelling of 138616299152 in words is "one hundred thirty-eight billion, six hundred sixteen million, two hundred ninety-nine thousand, one hundred fifty-two".