131540255 has 24 divisors (see below), whose sum is σ = 200316240. Its totient is φ = 81997440.

The previous prime is 131540231. The next prime is 131540257. The reversal of 131540255 is 552045131.

It is not a de Polignac number, because 131540255 - 2⁶ = 131540191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131540257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21710 + ... + 27099.

It is an arithmetic number, because the mean of its divisors is an integer number (8346510).

Almost surely, 2^131540255 is an apocalyptic number.

131540255 is a deficient number, since it is larger than the sum of its proper divisors (68775985).

131540255 is a wasteful number, since it uses less digits than its factorization.

131540255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48839 (or 48832 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 131540255 is about 11469.1000082831. The cubic root of 131540255 is about 508.5725237027.

Adding to 131540255 its reverse (552045131), we get a palindrome (683585386).

The spelling of 131540255 in words is "one hundred thirty-one million, five hundred forty thousand, two hundred fifty-five".