131780508497 has 8 divisors (see below), whose sum is σ = 144119064672. Its totient is φ = 119501704000.

The previous prime is 131780508437. The next prime is 131780508499. The reversal of 131780508497 is 794805087131.

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 131780508497 - 2⁸ = 131780508241 is a prime.

It is a super-2 number, since 2×131780508497² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131780508499) 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, 14933303 + ... + 14942124.

It is an arithmetic number, because the mean of its divisors is an integer number (18014883084).

Almost surely, 2^131780508497 is an apocalyptic number.

It is an amenable number.

131780508497 is a deficient number, since it is larger than the sum of its proper divisors (12338556175).

131780508497 is a wasteful number, since it uses less digits than its factorization.

131780508497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29875839.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 131780508497 in words is "one hundred thirty-one billion, seven hundred eighty million, five hundred eight thousand, four hundred ninety-seven".