131290361 has 8 divisors (see below), whose sum is σ = 140467200. Its totient is φ = 122340240.

The previous prime is 131290343. The next prime is 131290387. The reversal of 131290361 is 163092131.

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

It is not a de Polignac number, because 131290361 - 2¹⁴ = 131273977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131290361.

It is not an unprimeable number, because it can be changed into a prime (131290321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55481 + ... + 57798.

It is an arithmetic number, because the mean of its divisors is an integer number (17558400).

Almost surely, 2^131290361 is an apocalyptic number.

It is an amenable number.

131290361 is a deficient number, since it is larger than the sum of its proper divisors (9176839).

131290361 is a wasteful number, since it uses less digits than its factorization.

131290361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113359.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 131290361 is about 11458.2006004433. The cubic root of 131290361 is about 508.2502654793.

The spelling of 131290361 in words is "one hundred thirty-one million, two hundred ninety thousand, three hundred sixty-one".