138762475488 has 192 divisors, whose sum is σ = 498121989120. Its totient is φ = 36596676096.

The previous prime is 138762475471. The next prime is 138762475519. The reversal of 138762475488 is 884574267831.

It is a happy number.

138762475488 is a `hidden beast` number, since 1 + 3 + 87 + 6 + 2 + 4 + 7 + 548 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803820 + ... + 961067.

It is an arithmetic number, because the mean of its divisors is an integer number (2594385360).

Almost surely, 2^138762475488 is an apocalyptic number.

138762475488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

138762475488 is an abundant number, since it is smaller than the sum of its proper divisors (359359513632).

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

138762475488 is a wasteful number, since it uses less digits than its factorization.

138762475488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764926 (or 1764912 counting only the distinct ones).

The product of its digits is 72253440, while the sum is 63.

The spelling of 138762475488 in words is "one hundred thirty-eight billion, seven hundred sixty-two million, four hundred seventy-five thousand, four hundred eighty-eight".