131265510 has 32 divisors (see below), whose sum is σ = 319479552. Its totient is φ = 34510560.

The previous prime is 131265499. The next prime is 131265557. The reversal of 131265510 is 15562131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28684 + ... + 32943.

It is an arithmetic number, because the mean of its divisors is an integer number (9983736).

Almost surely, 2^131265510 is an apocalyptic number.

131265510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131265510 is an abundant number, since it is smaller than the sum of its proper divisors (188214042).

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

131265510 is a wasteful number, since it uses less digits than its factorization.

131265510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61708.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 131265510 is about 11457.1161292884. The cubic root of 131265510 is about 508.2181957872.

The spelling of 131265510 in words is "one hundred thirty-one million, two hundred sixty-five thousand, five hundred ten".