137394865 has 8 divisors (see below), whose sum is σ = 168382080. Its totient is φ = 107577072.

The previous prime is 137394863. The next prime is 137394877. The reversal of 137394865 is 568493731.

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

It is a cyclic number.

It is not a de Polignac number, because 137394865 - 2¹ = 137394863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137394863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292095 + ... + 292564.

It is an arithmetic number, because the mean of its divisors is an integer number (21047760).

Almost surely, 2^137394865 is an apocalyptic number.

It is an amenable number.

137394865 is a deficient number, since it is larger than the sum of its proper divisors (30987215).

137394865 is an equidigital number, since it uses as much as digits as its factorization.

137394865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584711.

The product of its digits is 544320, while the sum is 46.

The square root of 137394865 is about 11721.5555708276. Note that the first 4 decimals coincide. The cubic root of 137394865 is about 516.0084741613.

The spelling of 137394865 in words is "one hundred thirty-seven million, three hundred ninety-four thousand, eight hundred sixty-five".