137594666873 has 4 divisors (see below), whose sum is σ = 137620386048. Its totient is φ = 137568947700.

The previous prime is 137594666857. The next prime is 137594666917. The reversal of 137594666873 is 378666495731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378666495731 = 61 ⋅6207647471.

It is a cyclic number.

It is not a de Polignac number, because 137594666873 - 2⁴ = 137594666857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137594666813) 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, 12851561 + ... + 12862262.

It is an arithmetic number, because the mean of its divisors is an integer number (34405096512).

Almost surely, 2^137594666873 is an apocalyptic number.

It is an amenable number.

137594666873 is a deficient number, since it is larger than the sum of its proper divisors (25719175).

137594666873 is an equidigital number, since it uses as much as digits as its factorization.

137594666873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25719174.

The product of its digits is 137168640, while the sum is 65.

The spelling of 137594666873 in words is "one hundred thirty-seven billion, five hundred ninety-four million, six hundred sixty-six thousand, eight hundred seventy-three".