131936407 has 2 divisors, whose sum is σ = 131936408. Its totient is φ = 131936406.

The previous prime is 131936383. The next prime is 131936417. The reversal of 131936407 is 704639131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131936407 - 2¹⁹ = 131412119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131936417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65968203 + 65968204.

It is an arithmetic number, because the mean of its divisors is an integer number (65968204).

Almost surely, 2^131936407 is an apocalyptic number.

131936407 is a deficient number, since it is larger than the sum of its proper divisors (1).

131936407 is an equidigital number, since it uses as much as digits as its factorization.

131936407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 131936407 is about 11486.3574295771. The cubic root of 131936407 is about 509.0825579538.

It can be divided in two parts, 13193 and 6407, that added together give a square (19600 = 140²).

The spelling of 131936407 in words is "one hundred thirty-one million, nine hundred thirty-six thousand, four hundred seven".