138370692546 has 24 divisors (see below), whose sum is σ = 302713881600. Its totient is φ = 45675761976.

The previous prime is 138370692533. The next prime is 138370692553. The reversal of 138370692546 is 645296073831.

138370692546 is a `hidden beast` number, since 1 + 3 + 8 + 3 + 7 + 0 + 6 + 92 + 546 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 138370692492 and 138370692501.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37314946 + ... + 37318653.

It is an arithmetic number, because the mean of its divisors is an integer number (12613078400).

It is a 2-persistent number, because it is pandigital, and so is 2⋅138370692546 = 276741385092, but 3⋅138370692546 = 415112077638 is not.

Almost surely, 2^138370692546 is an apocalyptic number.

138370692546 is an abundant number, since it is smaller than the sum of its proper divisors (164343189054).

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

138370692546 is a wasteful number, since it uses less digits than its factorization.

138370692546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74633710 (or 74633707 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 138370692546 in words is "one hundred thirty-eight billion, three hundred seventy million, six hundred ninety-two thousand, five hundred forty-six".