137646618275 has 6 divisors (see below), whose sum is σ = 170681806692. Its totient is φ = 110117294600.

The previous prime is 137646618223. The next prime is 137646618281. The reversal of 137646618275 is 572816646731.

It is a happy number.

It is not a de Polignac number, because 137646618275 - 2⁸ = 137646618019 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 137646618275.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2752932341 + ... + 2752932390.

It is an arithmetic number, because the mean of its divisors is an integer number (28446967782).

Almost surely, 2^137646618275 is an apocalyptic number.

137646618275 is a deficient number, since it is larger than the sum of its proper divisors (33035188417).

137646618275 is an equidigital number, since it uses as much as digits as its factorization.

137646618275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505864741 (or 5505864736 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The spelling of 137646618275 in words is "one hundred thirty-seven billion, six hundred forty-six million, six hundred eighteen thousand, two hundred seventy-five".