137478404522 has 16 divisors (see below), whose sum is σ = 208307092392. Its totient is φ = 68043019200.

The previous prime is 137478404521. The next prime is 137478404627. The reversal of 137478404522 is 225404874731.

It can be written as a sum of positive squares in 4 ways, for example, as 137462236081 + 16168441 = 370759^2 + 4021^2 .

It is not an unprimeable number, because it can be changed into a prime (137478404521) 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, 831848 + ... + 983324.

Almost surely, 2^137478404522 is an apocalyptic number.

137478404522 is a deficient number, since it is larger than the sum of its proper divisors (70828687870).

137478404522 is a wasteful number, since it uses less digits than its factorization.

137478404522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156073.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The spelling of 137478404522 in words is "one hundred thirty-seven billion, four hundred seventy-eight million, four hundred four thousand, five hundred twenty-two".