131659480485 has 40 divisors (see below), whose sum is σ = 254166574200. Its totient is φ = 64816972416.

The previous prime is 131659480387. The next prime is 131659480489. The reversal of 131659480485 is 584084956131.

It is a happy number.

131659480485 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 594 + 8 + 0 + 48 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9976413924 + 121683066561 = 99882^2 + 348831^2 .

It is not a de Polignac number, because 131659480485 - 2⁸ = 131659480229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131659480489) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12498010 + ... + 12508539.

It is an arithmetic number, because the mean of its divisors is an integer number (6354164355).

Almost surely, 2^131659480485 is an apocalyptic number.

131659480485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131659480485 is a deficient number, since it is larger than the sum of its proper divisors (122507093715).

131659480485 is a wasteful number, since it uses less digits than its factorization.

131659480485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25006579 (or 25006570 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 131659480485 in words is "one hundred thirty-one billion, six hundred fifty-nine million, four hundred eighty thousand, four hundred eighty-five".