131374433 has 4 divisors (see below), whose sum is σ = 131450880. Its totient is φ = 131297988.

The previous prime is 131374421. The next prime is 131374501. The reversal of 131374433 is 334473131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131374433 - 2¹⁴ = 131358049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131374396 and 131374405.

It is not an unprimeable number, because it can be changed into a prime (131376433) 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, 35585 + ... + 39102.

It is an arithmetic number, because the mean of its divisors is an integer number (32862720).

Almost surely, 2^131374433 is an apocalyptic number.

It is an amenable number.

131374433 is a deficient number, since it is larger than the sum of its proper divisors (76447).

131374433 is an equidigital number, since it uses as much as digits as its factorization.

131374433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76446.

The product of its digits is 9072, while the sum is 29.

The square root of 131374433 is about 11461.8686521876. The cubic root of 131374433 is about 508.3587286307.

The spelling of 131374433 in words is "one hundred thirty-one million, three hundred seventy-four thousand, four hundred thirty-three".