131764933 has 4 divisors (see below), whose sum is σ = 131801868. Its totient is φ = 131728000.

The previous prime is 131764901. The next prime is 131764949. The reversal of 131764933 is 339467131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339467131 = 7559 ⋅44909.

It can be written as a sum of positive squares in 2 ways, for example, as 5943844 + 125821089 = 2438^2 + 11217^2 .

It is a cyclic number.

It is not a de Polignac number, because 131764933 - 2⁵ = 131764901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131764892 and 131764901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131764993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12466 + ... + 20467.

It is an arithmetic number, because the mean of its divisors is an integer number (32950467).

Almost surely, 2^131764933 is an apocalyptic number.

It is an amenable number.

131764933 is a deficient number, since it is larger than the sum of its proper divisors (36935).

131764933 is an equidigital number, since it uses as much as digits as its factorization.

131764933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36934.

The product of its digits is 40824, while the sum is 37.

The square root of 131764933 is about 11478.8907565148. The cubic root of 131764933 is about 508.8619156260.

The spelling of 131764933 in words is "one hundred thirty-one million, seven hundred sixty-four thousand, nine hundred thirty-three".