131418647 has 2 divisors, whose sum is σ = 131418648. Its totient is φ = 131418646.

The previous prime is 131418613. The next prime is 131418667. The reversal of 131418647 is 746814131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131418647 - 2¹² = 131414551 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 (131418667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65709323 + 65709324.

It is an arithmetic number, because the mean of its divisors is an integer number (65709324).

Almost surely, 2^131418647 is an apocalyptic number.

131418647 is a deficient number, since it is larger than the sum of its proper divisors (1).

131418647 is an equidigital number, since it uses as much as digits as its factorization.

131418647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 131418647 is about 11463.7972330289. The cubic root of 131418647 is about 508.4157515264.

The spelling of 131418647 in words is "one hundred thirty-one million, four hundred eighteen thousand, six hundred forty-seven".