137472541577 has 6 divisors (see below), whose sum is σ = 159917038218. Its totient is φ = 117833607024.

The previous prime is 137472541559. The next prime is 137472541631. The reversal of 137472541577 is 775145274731.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 118548687481 + 18923854096 = 344309^2 + 137564^2 .

It is not a de Polignac number, because 137472541577 - 2⁸ = 137472541321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137472543577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1402780988 + ... + 1402781085.

It is an arithmetic number, because the mean of its divisors is an integer number (26652839703).

Almost surely, 2^137472541577 is an apocalyptic number.

It is an amenable number.

137472541577 is a deficient number, since it is larger than the sum of its proper divisors (22444496641).

137472541577 is an equidigital number, since it uses as much as digits as its factorization.

137472541577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805562087 (or 2805562080 counting only the distinct ones).

The product of its digits is 5762400, while the sum is 53.

The spelling of 137472541577 in words is "one hundred thirty-seven billion, four hundred seventy-two million, five hundred forty-one thousand, five hundred seventy-seven".