137727387985722 has 16 divisors (see below), whose sum is σ = 275731059610272. Its totient is φ = 45863082055440.

The previous prime is 137727387985657. The next prime is 137727387985723. The reversal of 137727387985722 is 227589783727731.

It is a super-2 number, since 2×137727387985722² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137727387985723) 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, 11511811804 + ... + 11511823767.

It is an arithmetic number, because the mean of its divisors is an integer number (17233191225642).

Almost surely, 2^{137727387985722} is an apocalyptic number.

137727387985722 is an abundant number, since it is smaller than the sum of its proper divisors (138003671624550).

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

137727387985722 is a wasteful number, since it uses less digits than its factorization.

137727387985722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23023636573.

The product of its digits is 3485099520, while the sum is 78.

The spelling of 137727387985722 in words is "one hundred thirty-seven trillion, seven hundred twenty-seven billion, three hundred eighty-seven million, nine hundred eighty-five thousand, seven hundred twenty-two".