131899067 has 2 divisors, whose sum is σ = 131899068. Its totient is φ = 131899066.

The previous prime is 131899063. The next prime is 131899069. The reversal of 131899067 is 760998131.

It is a strong prime.

It is an emirp because it is prime and its reverse (760998131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131899067 - 2² = 131899063 is a prime.

Together with 131899069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131899063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65949533 + 65949534.

It is an arithmetic number, because the mean of its divisors is an integer number (65949534).

Almost surely, 2^131899067 is an apocalyptic number.

131899067 is a deficient number, since it is larger than the sum of its proper divisors (1).

131899067 is an equidigital number, since it uses as much as digits as its factorization.

131899067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 131899067 is about 11484.7319080595. The cubic root of 131899067 is about 509.0345273995.

The spelling of 131899067 in words is "one hundred thirty-one million, eight hundred ninety-nine thousand, sixty-seven".