131262407 has 2 divisors, whose sum is σ = 131262408. Its totient is φ = 131262406.

The previous prime is 131262379. The next prime is 131262413. The reversal of 131262407 is 704262131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131262407 - 2¹² = 131258311 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 (131262427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65631203 + 65631204.

It is an arithmetic number, because the mean of its divisors is an integer number (65631204).

Almost surely, 2^131262407 is an apocalyptic number.

131262407 is a deficient number, since it is larger than the sum of its proper divisors (1).

131262407 is an equidigital number, since it uses as much as digits as its factorization.

131262407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 131262407 is about 11456.9807104664. The cubic root of 131262407 is about 508.2141911468.

The spelling of 131262407 in words is "one hundred thirty-one million, two hundred sixty-two thousand, four hundred seven".