131330172137 has 8 divisors (see below), whose sum is σ = 138260654400. Its totient is φ = 124401526704.

The previous prime is 131330172121. The next prime is 131330172143. The reversal of 131330172137 is 731271033131.

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 131330172137 - 2⁴ = 131330172121 is a prime.

It is a super-2 number, since 2×131330172137² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131330172157) 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, 311213 + ... + 599594.

It is an arithmetic number, because the mean of its divisors is an integer number (17282581800).

Almost surely, 2^131330172137 is an apocalyptic number.

It is an amenable number.

131330172137 is a deficient number, since it is larger than the sum of its proper divisors (6930482263).

131330172137 is an equidigital number, since it uses as much as digits as its factorization.

131330172137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918415.

The product of its (nonzero) digits is 7938, while the sum is 32.

The spelling of 131330172137 in words is "one hundred thirty-one billion, three hundred thirty million, one hundred seventy-two thousand, one hundred thirty-seven".