346691790137 has 32 divisors (see below), whose sum is σ = 455578629120. Its totient is φ = 255599133120.

The previous prime is 346691790127. The next prime is 346691790157. The reversal of 346691790137 is 731097196643.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 346691790137 - 2¹⁶ = 346691724601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346691790127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 977618 + ... + 1284180.

It is an arithmetic number, because the mean of its divisors is an integer number (14236832160).

Almost surely, 2^346691790137 is an apocalyptic number.

It is an amenable number.

346691790137 is a deficient number, since it is larger than the sum of its proper divisors (108886838983).

346691790137 is a wasteful number, since it uses less digits than its factorization.

346691790137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307373.

The product of its (nonzero) digits is 5143824, while the sum is 56.

The spelling of 346691790137 in words is "three hundred forty-six billion, six hundred ninety-one million, seven hundred ninety thousand, one hundred thirty-seven".