131912790 has 32 divisors (see below), whose sum is σ = 321960960. Its totient is φ = 34580064.

The previous prime is 131912789. The next prime is 131912791. The reversal of 131912790 is 97219131.

It is an interprime number because it is at equal distance from previous prime (131912789) and next prime (131912791).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131912791) 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, 35494 + ... + 39033.

It is an arithmetic number, because the mean of its divisors is an integer number (10061280).

Almost surely, 2^131912790 is an apocalyptic number.

131912790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131912790 is an abundant number, since it is smaller than the sum of its proper divisors (190048170).

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

131912790 is a wasteful number, since it uses less digits than its factorization.

131912790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74596.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 131912790 is about 11485.3293378988. The cubic root of 131912790 is about 509.0521803891.

The spelling of 131912790 in words is "one hundred thirty-one million, nine hundred twelve thousand, seven hundred ninety".