131165707 has 2 divisors, whose sum is σ = 131165708. Its totient is φ = 131165706.

The previous prime is 131165687. The next prime is 131165729. The reversal of 131165707 is 707561131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131165707 is a prime.

It is not a weakly prime, because it can be changed into another prime (131165747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65582853 + 65582854.

It is an arithmetic number, because the mean of its divisors is an integer number (65582854).

Almost surely, 2^131165707 is an apocalyptic number.

131165707 is a deficient number, since it is larger than the sum of its proper divisors (1).

131165707 is an equidigital number, since it uses as much as digits as its factorization.

131165707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 131165707 is about 11452.7597984067. The cubic root of 131165707 is about 508.0893613334.

The spelling of 131165707 in words is "one hundred thirty-one million, one hundred sixty-five thousand, seven hundred seven".