131755667 has 2 divisors, whose sum is σ = 131755668. Its totient is φ = 131755666.

The previous prime is 131755649. The next prime is 131755691. The reversal of 131755667 is 766557131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131755667 - 2¹⁰ = 131754643 is a prime.

It is a super-2 number, since 2×131755667² = 34719111573229778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131755607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65877833 + 65877834.

It is an arithmetic number, because the mean of its divisors is an integer number (65877834).

Almost surely, 2^131755667 is an apocalyptic number.

131755667 is a deficient number, since it is larger than the sum of its proper divisors (1).

131755667 is an equidigital number, since it uses as much as digits as its factorization.

131755667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 132300, while the sum is 41.

The square root of 131755667 is about 11478.4871389918. The cubic root of 131755667 is about 508.8499872498.

The spelling of 131755667 in words is "one hundred thirty-one million, seven hundred fifty-five thousand, six hundred sixty-seven".