138763751524 has 24 divisors (see below), whose sum is σ = 256447638720. Its totient is φ = 65565687264.

The previous prime is 138763751491. The next prime is 138763751543. The reversal of 138763751524 is 425157367831.

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 7 ways as a sum of consecutive naturals, for example, 9078519 + ... + 9093790.

It is an arithmetic number, because the mean of its divisors is an integer number (10685318280).

Almost surely, 2^138763751524 is an apocalyptic number.

It is an amenable number.

138763751524 is a deficient number, since it is larger than the sum of its proper divisors (117683887196).

138763751524 is a wasteful number, since it uses less digits than its factorization.

138763751524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18172419 (or 18172417 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 52.

The spelling of 138763751524 in words is "one hundred thirty-eight billion, seven hundred sixty-three million, seven hundred fifty-one thousand, five hundred twenty-four".