131555495 has 8 divisors (see below), whose sum is σ = 158225616. Its totient is φ = 105005056.

The previous prime is 131555477. The next prime is 131555509. The reversal of 131555495 is 594555131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131555495 - 2¹⁰ = 131554471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27482 + ... + 31911.

It is an arithmetic number, because the mean of its divisors is an integer number (19778202).

Almost surely, 2^131555495 is an apocalyptic number.

131555495 is a deficient number, since it is larger than the sum of its proper divisors (26670121).

131555495 is an equidigital number, since it uses as much as digits as its factorization.

131555495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59841.

The product of its digits is 67500, while the sum is 38.

The square root of 131555495 is about 11469.7643829331. The cubic root of 131555495 is about 508.5921636878.

The spelling of 131555495 in words is "one hundred thirty-one million, five hundred fifty-five thousand, four hundred ninety-five".