138886376274 has 32 divisors (see below), whose sum is σ = 308852544000. Its totient is φ = 46263035952.

The previous prime is 138886376269. The next prime is 138886376329. The reversal of 138886376274 is 472673688831.

It is a super-2 number, since 2×138886376274² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822754 + ... + 977085.

It is an arithmetic number, because the mean of its divisors is an integer number (9651642000).

Almost surely, 2^138886376274 is an apocalyptic number.

138886376274 is an abundant number, since it is smaller than the sum of its proper divisors (169966167726).

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

138886376274 is a wasteful number, since it uses less digits than its factorization.

138886376274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801279 (or 1801273 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The spelling of 138886376274 in words is "one hundred thirty-eight billion, eight hundred eighty-six million, three hundred seventy-six thousand, two hundred seventy-four".