131908984197 has 8 divisors (see below), whose sum is σ = 180632122656. Its totient is φ = 85562584272.

The previous prime is 131908984171. The next prime is 131908984201. The reversal of 131908984197 is 791489809131.

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

It is not a de Polignac number, because 131908984197 - 2⁶ = 131908984133 is a prime.

It is a super-2 number, since 2×131908984197² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) 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 131908984197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131908984897) 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, 594184503 + ... + 594184724.

It is an arithmetic number, because the mean of its divisors is an integer number (22579015332).

Almost surely, 2^131908984197 is an apocalyptic number.

It is an amenable number.

131908984197 is a deficient number, since it is larger than the sum of its proper divisors (48723138459).

131908984197 is a wasteful number, since it uses less digits than its factorization.

131908984197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188369267.

The product of its (nonzero) digits is 3919104, while the sum is 60.

The spelling of 131908984197 in words is "one hundred thirty-one billion, nine hundred eight million, nine hundred eighty-four thousand, one hundred ninety-seven".