137122819967 has 4 divisors (see below), whose sum is σ = 156711794256. Its totient is φ = 117533845680.

The previous prime is 137122819949. The next prime is 137122820047. The reversal of 137122819967 is 769918221731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769918221731 = 4969 ⋅154944299.

It is a cyclic number.

It is not a de Polignac number, because 137122819967 - 2⁸ = 137122819711 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 (137122819907) 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, 9794487134 + ... + 9794487147.

It is an arithmetic number, because the mean of its divisors is an integer number (39177948564).

Almost surely, 2^137122819967 is an apocalyptic number.

137122819967 is a deficient number, since it is larger than the sum of its proper divisors (19588974289).

137122819967 is an equidigital number, since it uses as much as digits as its factorization.

137122819967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19588974288.

The product of its digits is 2286144, while the sum is 56.

The spelling of 137122819967 in words is "one hundred thirty-seven billion, one hundred twenty-two million, eight hundred nineteen thousand, nine hundred sixty-seven".