138767115195 has 32 divisors (see below), whose sum is σ = 246717556800. Its totient is φ = 74002989312.

The previous prime is 138767115121. The next prime is 138767115197. The reversal of 138767115195 is 591511767831.

138767115195 is a `hidden beast` number, since 1 + 387 + 6 + 71 + 1 + 5 + 195 = 666.

It is not a de Polignac number, because 138767115195 - 2¹⁵ = 138767082427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138767115197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1926591 + ... + 1997319.

It is an arithmetic number, because the mean of its divisors is an integer number (7709923650).

Almost surely, 2^138767115195 is an apocalyptic number.

138767115195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

138767115195 is a deficient number, since it is larger than the sum of its proper divisors (107950441605).

138767115195 is a wasteful number, since it uses less digits than its factorization.

138767115195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85276 (or 85270 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 54.

The spelling of 138767115195 in words is "one hundred thirty-eight billion, seven hundred sixty-seven million, one hundred fifteen thousand, one hundred ninety-five".