131436607 has 2 divisors, whose sum is σ = 131436608. Its totient is φ = 131436606.

The previous prime is 131436587. The next prime is 131436629. The reversal of 131436607 is 706634131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131436607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131436677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65718303 + 65718304.

It is an arithmetic number, because the mean of its divisors is an integer number (65718304).

Almost surely, 2^131436607 is an apocalyptic number.

131436607 is a deficient number, since it is larger than the sum of its proper divisors (1).

131436607 is an equidigital number, since it uses as much as digits as its factorization.

131436607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 131436607 is about 11464.5805418253. The cubic root of 131436607 is about 508.4389109263.

The spelling of 131436607 in words is "one hundred thirty-one million, four hundred thirty-six thousand, six hundred seven".