137620701022121 has 8 divisors (see below), whose sum is σ = 139675214136960. Its totient is φ = 135566201813328.

The previous prime is 137620701022099. The next prime is 137620701022159. The reversal of 137620701022121 is 121220107026731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137620701022121 - 2³⁸ = 137345823115177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137620701022621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17392295 + ... + 24036083.

It is an arithmetic number, because the mean of its divisors is an integer number (17459401767120).

Almost surely, 2^{137620701022121} is an apocalyptic number.

It is an amenable number.

137620701022121 is a deficient number, since it is larger than the sum of its proper divisors (2054513114839).

137620701022121 is an equidigital number, since it uses as much as digits as its factorization.

137620701022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953023.

The product of its (nonzero) digits is 14112, while the sum is 35.

Adding to 137620701022121 its reverse (121220107026731), we get a palindrome (258840808048852).

The spelling of 137620701022121 in words is "one hundred thirty-seven trillion, six hundred twenty billion, seven hundred one million, twenty-two thousand, one hundred twenty-one".