137477442 has 32 divisors (see below), whose sum is σ = 284135040. Its totient is φ = 44320640.

The previous prime is 137477441. The next prime is 137477447. The reversal of 137477442 is 244774731.

It is a self number, because there is not a number n which added to its sum of digits gives 137477442.

It is not an unprimeable number, because it can be changed into a prime (137477441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19534 + ... + 25622.

It is an arithmetic number, because the mean of its divisors is an integer number (8879220).

Almost surely, 2^137477442 is an apocalyptic number.

137477442 is an abundant number, since it is smaller than the sum of its proper divisors (146657598).

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

137477442 is a wasteful number, since it uses less digits than its factorization.

137477442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6218.

The product of its digits is 131712, while the sum is 39.

The square root of 137477442 is about 11725.0774837525. The cubic root of 137477442 is about 516.1118305180. Note that the first 3 decimals are identical.

The spelling of 137477442 in words is "one hundred thirty-seven million, four hundred seventy-seven thousand, four hundred forty-two".