137143522 has 8 divisors (see below), whose sum is σ = 217816236. Its totient is φ = 64538112.

The previous prime is 137143511. The next prime is 137143537. The reversal of 137143522 is 225341731.

It can be written as a sum of positive squares in 2 ways, for example, as 134351281 + 2792241 = 11591^2 + 1671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2016783 + ... + 2016850.

Almost surely, 2^137143522 is an apocalyptic number.

137143522 is a deficient number, since it is larger than the sum of its proper divisors (80672714).

137143522 is a wasteful number, since it uses less digits than its factorization.

137143522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033652.

The product of its digits is 5040, while the sum is 28.

The square root of 137143522 is about 11710.8292618414. The cubic root of 137143522 is about 515.6936290996.

The spelling of 137143522 in words is "one hundred thirty-seven million, one hundred forty-three thousand, five hundred twenty-two".