137330236723 has 4 divisors (see below), whose sum is σ = 145408485960. Its totient is φ = 129251987488.

The previous prime is 137330236721. The next prime is 137330236727. The reversal of 137330236723 is 327632033731.

It is a happy number.

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 137330236723 - 2¹ = 137330236721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137330236721) 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, 4039124593 + ... + 4039124626.

It is an arithmetic number, because the mean of its divisors is an integer number (36352121490).

Almost surely, 2^137330236723 is an apocalyptic number.

137330236723 is a deficient number, since it is larger than the sum of its proper divisors (8078249237).

137330236723 is an equidigital number, since it uses as much as digits as its factorization.

137330236723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8078249236.

The product of its (nonzero) digits is 285768, while the sum is 40.

The spelling of 137330236723 in words is "one hundred thirty-seven billion, three hundred thirty million, two hundred thirty-six thousand, seven hundred twenty-three".