131514787 has 2 divisors, whose sum is σ = 131514788. Its totient is φ = 131514786.

The previous prime is 131514763. The next prime is 131514793. The reversal of 131514787 is 787415131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131514787 - 2⁷ = 131514659 is a prime.

It is a super-2 number, since 2×131514787² = 34592278399310738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131514707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65757393 + 65757394.

It is an arithmetic number, because the mean of its divisors is an integer number (65757394).

Almost surely, 2^131514787 is an apocalyptic number.

131514787 is a deficient number, since it is larger than the sum of its proper divisors (1).

131514787 is an equidigital number, since it uses as much as digits as its factorization.

131514787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 37.

The square root of 131514787 is about 11467.9896668945. The cubic root of 131514787 is about 508.5396993757.

The spelling of 131514787 in words is "one hundred thirty-one million, five hundred fourteen thousand, seven hundred eighty-seven".