137785242 has 32 divisors (see below), whose sum is σ = 315551232. Its totient is φ = 39290544.

The previous prime is 137785183. The next prime is 137785253. The reversal of 137785242 is 242587731.

It is a self number, because there is not a number n which added to its sum of digits gives 137785242.

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, 20733 + ... + 26559.

It is an arithmetic number, because the mean of its divisors is an integer number (9860976).

Almost surely, 2^137785242 is an apocalyptic number.

137785242 is an abundant number, since it is smaller than the sum of its proper divisors (177765990).

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

137785242 is a wasteful number, since it uses less digits than its factorization.

137785242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6402.

The product of its digits is 94080, while the sum is 39.

The square root of 137785242 is about 11738.1958579673. The cubic root of 137785242 is about 516.4967198716.

The spelling of 137785242 in words is "one hundred thirty-seven million, seven hundred eighty-five thousand, two hundred forty-two".