137839598769 has 4 divisors (see below), whose sum is σ = 183786131696. Its totient is φ = 91893065844.

The previous prime is 137839598669. The next prime is 137839598807. The reversal of 137839598769 is 967895938731.

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.

It is not a de Polignac number, because 137839598769 - 2⁸ = 137839598513 is a prime.

It is a super-2 number, since 2×137839598769² (a number of 23 digits) contains 22 as substring.

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 137839598769.

It is not an unprimeable number, because it can be changed into a prime (137839598269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22973266459 + ... + 22973266464.

It is an arithmetic number, because the mean of its divisors is an integer number (45946532924).

Almost surely, 2^137839598769 is an apocalyptic number.

It is an amenable number.

137839598769 is a deficient number, since it is larger than the sum of its proper divisors (45946532927).

137839598769 is an equidigital number, since it uses as much as digits as its factorization.

137839598769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45946532926.

The product of its digits is 617258880, while the sum is 75.

The spelling of 137839598769 in words is "one hundred thirty-seven billion, eight hundred thirty-nine million, five hundred ninety-eight thousand, seven hundred sixty-nine".