138483318315 has 16 divisors (see below), whose sum is σ = 221582850048. Its totient is φ = 73854589536.

The previous prime is 138483318301. The next prime is 138483318359. The reversal of 138483318315 is 513813384831.

It is not a de Polignac number, because 138483318315 - 2⁸ = 138483318059 is a prime.

It is a super-2 number, since 2×138483318315² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185124 + ... + 557886.

It is an arithmetic number, because the mean of its divisors is an integer number (13848928128).

Almost surely, 2^138483318315 is an apocalyptic number.

138483318315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138483318315 is a deficient number, since it is larger than the sum of its proper divisors (83099531733).

138483318315 is a wasteful number, since it uses less digits than its factorization.

138483318315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397538.

The product of its digits is 829440, while the sum is 48.

The spelling of 138483318315 in words is "one hundred thirty-eight billion, four hundred eighty-three million, three hundred eighteen thousand, three hundred fifteen".