137157166400431 has 4 divisors (see below), whose sum is σ = 137157200297200. Its totient is φ = 137157132503664.

The previous prime is 137157166400279. The next prime is 137157166400477. The reversal of 137157166400431 is 134004661751731.

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 137157166400431 - 2¹⁷ = 137157166269359 is a prime.

It is a super-2 number, since 2×137157166400431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137157166400491) 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, 9902526 + ... + 19297003.

It is an arithmetic number, because the mean of its divisors is an integer number (34289300074300).

Almost surely, 2^{137157166400431} is an apocalyptic number.

137157166400431 is a deficient number, since it is larger than the sum of its proper divisors (33896769).

137157166400431 is an equidigital number, since it uses as much as digits as its factorization.

137157166400431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33896768.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 137157166400431 in words is "one hundred thirty-seven trillion, one hundred fifty-seven billion, one hundred sixty-six million, four hundred thousand, four hundred thirty-one".