131915461 has 16 divisors (see below), whose sum is σ = 152107200. Its totient is φ = 113557248.

The previous prime is 131915449. The next prime is 131915467. The reversal of 131915461 is 164519131.

It is a cyclic number.

It is not a de Polignac number, because 131915461 - 2⁹ = 131914949 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 (131915467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326 + ... + 16408.

It is an arithmetic number, because the mean of its divisors is an integer number (9506700).

Almost surely, 2^131915461 is an apocalyptic number.

It is an amenable number.

131915461 is a deficient number, since it is larger than the sum of its proper divisors (20191739).

131915461 is a wasteful number, since it uses less digits than its factorization.

131915461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14148.

The product of its digits is 3240, while the sum is 31.

The square root of 131915461 is about 11485.4456160830. The cubic root of 131915461 is about 509.0556161671.

The spelling of 131915461 in words is "one hundred thirty-one million, nine hundred fifteen thousand, four hundred sixty-one".