138514040480 has 24 divisors (see below), whose sum is σ = 327239421012. Its totient is φ = 55405616128.

The previous prime is 138514040477. The next prime is 138514040491. The reversal of 138514040480 is 84040415831.

It can be written as a sum of positive squares in 2 ways, for example, as 138506042896 + 7997584 = 372164^2 + 2828^2 .

It is a super-2 number, since 2×138514040480² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432856217 + ... + 432856536.

Almost surely, 2^138514040480 is an apocalyptic number.

138514040480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138514040480 is an abundant number, since it is smaller than the sum of its proper divisors (188725380532).

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

138514040480 is an equidigital number, since it uses as much as digits as its factorization.

138514040480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865712768 (or 865712760 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 138514040480 in words is "one hundred thirty-eight billion, five hundred fourteen million, forty thousand, four hundred eighty".