131895151 has 4 divisors (see below), whose sum is σ = 132157872. Its totient is φ = 131632432.

The previous prime is 131895143. The next prime is 131895157. The reversal of 131895151 is 151598131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151598131 = 19 ⋅7978849.

It is a cyclic number.

It is not a de Polignac number, because 131895151 - 2³ = 131895143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131895157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130606 + ... + 131611.

It is an arithmetic number, because the mean of its divisors is an integer number (33039468).

Almost surely, 2^131895151 is an apocalyptic number.

131895151 is a deficient number, since it is larger than the sum of its proper divisors (262721).

131895151 is an equidigital number, since it uses as much as digits as its factorization.

131895151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262720.

The product of its digits is 5400, while the sum is 34.

The square root of 131895151 is about 11484.5614195754. The cubic root of 131895151 is about 509.0294897117.

It can be divided in two parts, 1318 and 95151, that added together give a palindrome (96469).

The spelling of 131895151 in words is "one hundred thirty-one million, eight hundred ninety-five thousand, one hundred fifty-one".