138246527392 has 24 divisors (see below), whose sum is σ = 272182377600. Its totient is φ = 69120844224.

The previous prime is 138246527387. The next prime is 138246527401. The reversal of 138246527392 is 293725642831.

It is a happy number.

It is a super-2 number, since 2×138246527392² (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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1167159 + ... + 1280137.

It is an arithmetic number, because the mean of its divisors is an integer number (11340932400).

Almost surely, 2^138246527392 is an apocalyptic number.

It is an amenable number.

138246527392 is a deficient number, since it is larger than the sum of its proper divisors (133935850208).

138246527392 is a wasteful number, since it uses less digits than its factorization.

138246527392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151228 (or 151220 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 52.

The spelling of 138246527392 in words is "one hundred thirty-eight billion, two hundred forty-six million, five hundred twenty-seven thousand, three hundred ninety-two".