344770137 has 6 divisors (see below), whose sum is σ = 498001322. Its totient is φ = 229846752.

The previous prime is 344770133. The next prime is 344770147. The reversal of 344770137 is 731077443.

It can be written as a sum of positive squares in only one way, i.e., 263120841 + 81649296 = 16221^2 + 9036^2 .

It is not a de Polignac number, because 344770137 - 2² = 344770133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344770133) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 19153888 + ... + 19153905.

Almost surely, 2^344770137 is an apocalyptic number.

It is an amenable number.

344770137 is a deficient number, since it is larger than the sum of its proper divisors (153231185).

344770137 is a wasteful number, since it uses less digits than its factorization.

344770137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38307799 (or 38307796 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 344770137 is about 18567.9868860359. The cubic root of 344770137 is about 701.2021092672.

The spelling of 344770137 in words is "three hundred forty-four million, seven hundred seventy thousand, one hundred thirty-seven".