137022865 has 12 divisors (see below), whose sum is σ = 191273076. Its totient is φ = 93958368.

The previous prime is 137022863. The next prime is 137022869. The reversal of 137022865 is 568220731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58859584 + 78163281 = 7672^2 + 8841^2 .

It is not a de Polignac number, because 137022865 - 2¹ = 137022863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137022865.

It is not an unprimeable number, because it can be changed into a prime (137022863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279394 + ... + 279883.

It is an arithmetic number, because the mean of its divisors is an integer number (15939423).

Almost surely, 2^137022865 is an apocalyptic number.

It is an amenable number.

137022865 is a deficient number, since it is larger than the sum of its proper divisors (54250211).

137022865 is an equidigital number, since it uses as much as digits as its factorization.

137022865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559296 (or 559289 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 137022865 is about 11705.6766143611. The cubic root of 137022865 is about 515.5423513200.

The spelling of 137022865 in words is "one hundred thirty-seven million, twenty-two thousand, eight hundred sixty-five".