137876977368047 has 4 divisors (see below), whose sum is σ = 141603382161816. Its totient is φ = 134150572574280.

The previous prime is 137876977368029. The next prime is 137876977368127. The reversal of 137876977368047 is 740863779678731.

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

It is a cyclic number.

It is not a de Polignac number, because 137876977368047 - 2¹⁶ = 137876977302511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137876977338047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1863202396829 + ... + 1863202396902.

It is an arithmetic number, because the mean of its divisors is an integer number (35400845540454).

Almost surely, 2^{137876977368047} is an apocalyptic number.

137876977368047 is a deficient number, since it is larger than the sum of its proper divisors (3726404793769).

137876977368047 is an equidigital number, since it uses as much as digits as its factorization.

137876977368047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3726404793768.

The product of its (nonzero) digits is 12546358272, while the sum is 83.

The spelling of 137876977368047 in words is "one hundred thirty-seven trillion, eight hundred seventy-six billion, nine hundred seventy-seven million, three hundred sixty-eight thousand, forty-seven".