137660345 has 16 divisors (see below), whose sum is σ = 168894720. Its totient is φ = 107674944.

The previous prime is 137660323. The next prime is 137660357. The reversal of 137660345 is 543066731.

It is a cyclic number.

It is not a de Polignac number, because 137660345 - 2¹⁰ = 137659321 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 94412 + ... + 95858.

It is an arithmetic number, because the mean of its divisors is an integer number (10555920).

Almost surely, 2^137660345 is an apocalyptic number.

It is an amenable number.

137660345 is a deficient number, since it is larger than the sum of its proper divisors (31234375).

137660345 is a wasteful number, since it uses less digits than its factorization.

137660345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 137660345 is about 11732.8745412196. The cubic root of 137660345 is about 516.3406112509.

The spelling of 137660345 in words is "one hundred thirty-seven million, six hundred sixty thousand, three hundred forty-five".