137988920159 has 8 divisors (see below), whose sum is σ = 142703483520. Its totient is φ = 133290813600.

The previous prime is 137988920149. The next prime is 137988920161. The reversal of 137988920159 is 951029889731.

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 137988920159 - 2²⁴ = 137972142943 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 (137988920119) 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, 4097144 + ... + 4130685.

It is an arithmetic number, because the mean of its divisors is an integer number (17837935440).

Almost surely, 2^137988920159 is an apocalyptic number.

137988920159 is a deficient number, since it is larger than the sum of its proper divisors (4714563361).

137988920159 is an equidigital number, since it uses as much as digits as its factorization.

137988920159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8228401.

The product of its (nonzero) digits is 9797760, while the sum is 62.

The spelling of 137988920159 in words is "one hundred thirty-seven billion, nine hundred eighty-eight million, nine hundred twenty thousand, one hundred fifty-nine".