137672343079 has 4 divisors (see below), whose sum is σ = 137690827560. Its totient is φ = 137653858600.

The previous prime is 137672343043. The next prime is 137672343089. The reversal of 137672343079 is 970343276731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970343276731 = 343787 ⋅2822513.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137672343079 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 (137672343089) 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, 9231064 + ... + 9245965.

It is an arithmetic number, because the mean of its divisors is an integer number (34422706890).

Almost surely, 2^137672343079 is an apocalyptic number.

137672343079 is a deficient number, since it is larger than the sum of its proper divisors (18484481).

137672343079 is an equidigital number, since it uses as much as digits as its factorization.

137672343079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18484480.

The product of its (nonzero) digits is 4000752, while the sum is 52.

The spelling of 137672343079 in words is "one hundred thirty-seven billion, six hundred seventy-two million, three hundred forty-three thousand, seventy-nine".