131297533737 has 8 divisors (see below), whose sum is σ = 175082777760. Its totient is φ = 87521989440.

The previous prime is 131297533691. The next prime is 131297533739. The reversal of 131297533737 is 737335792131.

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

It is not a de Polignac number, because 131297533737 - 2¹⁰ = 131297532713 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 131297533737.

It is not an unprimeable number, because it can be changed into a prime (131297533739) 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, 2393287 + ... + 2447532.

It is an arithmetic number, because the mean of its divisors is an integer number (21885347220).

Almost surely, 2^131297533737 is an apocalyptic number.

It is an amenable number.

131297533737 is a deficient number, since it is larger than the sum of its proper divisors (43785244023).

131297533737 is an equidigital number, since it uses as much as digits as its factorization.

131297533737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849863.

The product of its digits is 2500470, while the sum is 51.

The spelling of 131297533737 in words is "one hundred thirty-one billion, two hundred ninety-seven million, five hundred thirty-three thousand, seven hundred thirty-seven".