137585442 has 16 divisors (see below), whose sum is σ = 275285952. Its totient is φ = 45842640.

The previous prime is 137585431. The next prime is 137585449. The reversal of 137585442 is 244585731.

It is a self number, because there is not a number n which added to its sum of digits gives 137585442.

It is not an unprimeable number, because it can be changed into a prime (137585449) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24892 + ... + 29912.

It is an arithmetic number, because the mean of its divisors is an integer number (17205372).

Almost surely, 2^137585442 is an apocalyptic number.

137585442 is an abundant number, since it is smaller than the sum of its proper divisors (137700510).

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

137585442 is a wasteful number, since it uses less digits than its factorization.

137585442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9593.

The product of its digits is 134400, while the sum is 39.

The square root of 137585442 is about 11729.6820928787. The cubic root of 137585442 is about 516.2469447765.

The spelling of 137585442 in words is "one hundred thirty-seven million, five hundred eighty-five thousand, four hundred forty-two".