137715565 has 24 divisors (see below), whose sum is σ = 181301760. Its totient is φ = 100361664.

The previous prime is 137715503. The next prime is 137715569. The reversal of 137715565 is 565517731.

It is not a de Polignac number, because 137715565 - 2⁷ = 137715437 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137715569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65724 + ... + 67786.

It is an arithmetic number, because the mean of its divisors is an integer number (7554240).

Almost surely, 2^137715565 is an apocalyptic number.

It is an amenable number.

137715565 is a deficient number, since it is larger than the sum of its proper divisors (43586195).

137715565 is a wasteful number, since it uses less digits than its factorization.

137715565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2160 counting only the distinct ones).

The product of its digits is 110250, while the sum is 40.

The square root of 137715565 is about 11735.2275222937. The cubic root of 137715565 is about 516.4096423070.

The spelling of 137715565 in words is "one hundred thirty-seven million, seven hundred fifteen thousand, five hundred sixty-five".