137361665 has 16 divisors (see below), whose sum is σ = 189181440. Its totient is φ = 93791040.

The previous prime is 137361629. The next prime is 137361667. The reversal of 137361665 is 566163731.

It is a de Polignac number, because none of the positive numbers 2^k-137361665 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137361667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155 + ... + 16575.

It is an arithmetic number, because the mean of its divisors is an integer number (11823840).

Almost surely, 2^137361665 is an apocalyptic number.

It is an amenable number.

137361665 is a deficient number, since it is larger than the sum of its proper divisors (51819775).

137361665 is a wasteful number, since it uses less digits than its factorization.

137361665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16672.

The product of its digits is 68040, while the sum is 38.

The square root of 137361665 is about 11720.1392909811. The cubic root of 137361665 is about 515.9669081697.

The spelling of 137361665 in words is "one hundred thirty-seven million, three hundred sixty-one thousand, six hundred sixty-five".