137450565 has 48 divisors (see below), whose sum is σ = 274055808. Its totient is φ = 62425728.

The previous prime is 137450561. The next prime is 137450581. The reversal of 137450565 is 565054731.

It is not a de Polignac number, because 137450565 - 2² = 137450561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137450561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50007 + ... + 52683.

It is an arithmetic number, because the mean of its divisors is an integer number (5709496).

Almost surely, 2^137450565 is an apocalyptic number.

137450565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137450565 is a deficient number, since it is larger than the sum of its proper divisors (136605243).

137450565 is a wasteful number, since it uses less digits than its factorization.

137450565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 137450565 is about 11723.9312945786. The cubic root of 137450565 is about 516.0781948380.

The spelling of 137450565 in words is "one hundred thirty-seven million, four hundred fifty thousand, five hundred sixty-five".