131294783 has 2 divisors, whose sum is σ = 131294784. Its totient is φ = 131294782.

The previous prime is 131294719. The next prime is 131294809. The reversal of 131294783 is 387492131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131294783 - 2⁶ = 131294719 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131294983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65647391 + 65647392.

It is an arithmetic number, because the mean of its divisors is an integer number (65647392).

Almost surely, 2^131294783 is an apocalyptic number.

131294783 is a deficient number, since it is larger than the sum of its proper divisors (1).

131294783 is an equidigital number, since it uses as much as digits as its factorization.

131294783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 131294783 is about 11458.3935610538. The cubic root of 131294783 is about 508.2559715530.

The spelling of 131294783 in words is "one hundred thirty-one million, two hundred ninety-four thousand, seven hundred eighty-three".