131293500 has 96 divisors (see below), whose sum is σ = 411797568. Its totient is φ = 32313600.

The previous prime is 131293471. The next prime is 131293517. The reversal of 131293500 is 5392131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16134 + ... + 22866.

It is an arithmetic number, because the mean of its divisors is an integer number (4289558).

Almost surely, 2^131293500 is an apocalyptic number.

131293500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131293500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205898784).

131293500 is an abundant number, since it is smaller than the sum of its proper divisors (280504068).

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

131293500 is a wasteful number, since it uses less digits than its factorization.

131293500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768 (or 6756 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 131293500 is about 11458.3375757568. The cubic root of 131293500 is about 508.2543160048.

The spelling of 131293500 in words is "one hundred thirty-one million, two hundred ninety-three thousand, five hundred".