131586461097 has 32 divisors (see below), whose sum is σ = 217214565120. Its totient is φ = 69408218880.

The previous prime is 131586461093. The next prime is 131586461119. The reversal of 131586461097 is 790164685131.

It is a happy number.

It is not a de Polignac number, because 131586461097 - 2² = 131586461093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131586461093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1379904 + ... + 1472177.

It is an arithmetic number, because the mean of its divisors is an integer number (6787955160).

Almost surely, 2^131586461097 is an apocalyptic number.

It is an amenable number.

131586461097 is a deficient number, since it is larger than the sum of its proper divisors (85628104023).

131586461097 is an equidigital number, since it uses as much as digits as its factorization.

131586461097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852130 (or 2852104 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 131586461097 in words is "one hundred thirty-one billion, five hundred eighty-six million, four hundred sixty-one thousand, ninety-seven".