137709966522 has 32 divisors (see below), whose sum is σ = 292048224192. Its totient is φ = 43139849984.

The previous prime is 137709966517. The next prime is 137709966551. The reversal of 137709966522 is 225669907731.

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, 918693 + ... + 1058024.

It is an arithmetic number, because the mean of its divisors is an integer number (9126507006).

Almost surely, 2^137709966522 is an apocalyptic number.

137709966522 is an abundant number, since it is smaller than the sum of its proper divisors (154338257670).

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

137709966522 is a wasteful number, since it uses less digits than its factorization.

137709966522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977422.

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 137709966522 in words is "one hundred thirty-seven billion, seven hundred nine million, nine hundred sixty-six thousand, five hundred twenty-two".