137581165 has 8 divisors (see below), whose sum is σ = 165166848. Its totient is φ = 110018640.

The previous prime is 137581151. The next prime is 137581189. The reversal of 137581165 is 561185731.

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

It is not a de Polignac number, because 137581165 - 2¹⁹ = 137056877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12600 + ... + 20830.

It is an arithmetic number, because the mean of its divisors is an integer number (20645856).

Almost surely, 2^137581165 is an apocalyptic number.

It is an amenable number.

137581165 is a deficient number, since it is larger than the sum of its proper divisors (27585683).

137581165 is an equidigital number, since it uses as much as digits as its factorization.

137581165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579.

The product of its digits is 25200, while the sum is 37.

The square root of 137581165 is about 11729.4997762053. The cubic root of 137581165 is about 516.2415953465.

The spelling of 137581165 in words is "one hundred thirty-seven million, five hundred eighty-one thousand, one hundred sixty-five".