131896497 has 8 divisors (see below), whose sum is σ = 176342656. Its totient is φ = 87690672.

The previous prime is 131896493. The next prime is 131896507. The reversal of 131896497 is 794698131.

It is a happy number.

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

It is not a de Polignac number, because 131896497 - 2² = 131896493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131896493) 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, 58798 + ... + 60999.

It is an arithmetic number, because the mean of its divisors is an integer number (22042832).

Almost surely, 2^131896497 is an apocalyptic number.

It is an amenable number.

131896497 is a deficient number, since it is larger than the sum of its proper divisors (44446159).

131896497 is a wasteful number, since it uses less digits than its factorization.

131896497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120167.

The product of its digits is 326592, while the sum is 48.

The square root of 131896497 is about 11484.6200198352. The cubic root of 131896497 is about 509.0312212674.

The spelling of 131896497 in words is "one hundred thirty-one million, eight hundred ninety-six thousand, four hundred ninety-seven".