131084657 has 4 divisors (see below), whose sum is σ = 143001456. Its totient is φ = 119167860.

The previous prime is 131084651. The next prime is 131084663. The reversal of 131084657 is 756480131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (131084651) and next prime (131084663).

It is a cyclic number.

It is not a de Polignac number, because 131084657 - 2⁴ = 131084641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131084651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5958383 + ... + 5958404.

It is an arithmetic number, because the mean of its divisors is an integer number (35750364).

Almost surely, 2^131084657 is an apocalyptic number.

It is an amenable number.

131084657 is a deficient number, since it is larger than the sum of its proper divisors (11916799).

131084657 is a wasteful number, since it uses less digits than its factorization.

131084657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11916798.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 131084657 is about 11449.2208031813. The cubic root of 131084657 is about 507.9846867994.

The spelling of 131084657 in words is "one hundred thirty-one million, eighty-four thousand, six hundred fifty-seven".