138457575762 has 16 divisors (see below), whose sum is σ = 302089256352. Its totient is φ = 41956841120.

The previous prime is 138457575761. The next prime is 138457575769. The reversal of 138457575762 is 267575754831.

It is a junction number, because it is equal to n+sod(n) for n = 138457575696 and 138457575705.

It is not an unprimeable number, because it can be changed into a prime (138457575761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048920963 + ... + 1048921094.

It is an arithmetic number, because the mean of its divisors is an integer number (18880578522).

Almost surely, 2^138457575762 is an apocalyptic number.

138457575762 is an abundant number, since it is smaller than the sum of its proper divisors (163631680590).

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

138457575762 is a wasteful number, since it uses less digits than its factorization.

138457575762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097842073.

The product of its digits is 49392000, while the sum is 60.

The spelling of 138457575762 in words is "one hundred thirty-eight billion, four hundred fifty-seven million, five hundred seventy-five thousand, seven hundred sixty-two".