138544850760 has 64 divisors (see below), whose sum is σ = 417053206080. Its totient is φ = 36819191040.

The previous prime is 138544850713. The next prime is 138544850777. The reversal of 138544850760 is 67058445831.

It is a super-2 number, since 2×138544850760² (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 15 ways as a sum of consecutive naturals, for example, 1935046 + ... + 2005365.

It is an arithmetic number, because the mean of its divisors is an integer number (6516456345).

Almost surely, 2^138544850760 is an apocalyptic number.

138544850760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138544850760 is an abundant number, since it is smaller than the sum of its proper divisors (278508355320).

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

138544850760 is a wasteful number, since it uses less digits than its factorization.

138544850760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940718 (or 3940714 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 138544850760 in words is "one hundred thirty-eight billion, five hundred forty-four million, eight hundred fifty thousand, seven hundred sixty".