137645365 has 64 divisors (see below), whose sum is σ = 205615872. Its totient is φ = 87816960.

The previous prime is 137645359. The next prime is 137645371. The reversal of 137645365 is 563546731.

It is an interprime number because it is at equal distance from previous prime (137645359) and next prime (137645371).

It is not a de Polignac number, because 137645365 - 2¹⁵ = 137612597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3201034 + ... + 3201076.

It is an arithmetic number, because the mean of its divisors is an integer number (3212748).

Almost surely, 2^137645365 is an apocalyptic number.

It is an amenable number.

137645365 is a deficient number, since it is larger than the sum of its proper divisors (67970507).

137645365 is a wasteful number, since it uses less digits than its factorization.

137645365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 109 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The square root of 137645365 is about 11732.2361466176. The cubic root of 137645365 is about 516.3218814249.

The spelling of 137645365 in words is "one hundred thirty-seven million, six hundred forty-five thousand, three hundred sixty-five".