137855616676345 has 4 divisors (see below), whose sum is σ = 165426740011620. Its totient is φ = 110284493341072.

The previous prime is 137855616676333. The next prime is 137855616676361. The reversal of 137855616676345 is 543676616558731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103894741537129 + 33960875139216 = 10192877^2 + 5827596^2 .

It is a cyclic number.

It is not a de Polignac number, because 137855616676345 - 2³⁵ = 137821256937977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13785561667630 + ... + 13785561667639.

It is an arithmetic number, because the mean of its divisors is an integer number (41356685002905).

Almost surely, 2^{137855616676345} is an apocalyptic number.

It is an amenable number.

137855616676345 is a deficient number, since it is larger than the sum of its proper divisors (27571123335275).

137855616676345 is an equidigital number, since it uses as much as digits as its factorization.

137855616676345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27571123335274.

The product of its digits is 2286144000, while the sum is 73.

The spelling of 137855616676345 in words is "one hundred thirty-seven trillion, eight hundred fifty-five billion, six hundred sixteen million, six hundred seventy-six thousand, three hundred forty-five".