131265340 has 24 divisors (see below), whose sum is σ = 277314912. Its totient is φ = 52190400.

The previous prime is 131265331. The next prime is 131265341. The reversal of 131265340 is 43562131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131265341) 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 7 ways as a sum of consecutive naturals, for example, 16311 + ... + 22990.

It is an arithmetic number, because the mean of its divisors is an integer number (11554788).

Almost surely, 2^131265340 is an apocalyptic number.

131265340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131265340 is an abundant number, since it is smaller than the sum of its proper divisors (146049572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131265340 is a wasteful number, since it uses less digits than its factorization.

131265340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39477 (or 39475 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 131265340 is about 11457.1087103161. The cubic root of 131265340 is about 508.2179763918.

The spelling of 131265340 in words is "one hundred thirty-one million, two hundred sixty-five thousand, three hundred forty".