134171899 has 2 divisors, whose sum is σ = 134171900. Its totient is φ = 134171898.

The previous prime is 134171839. The next prime is 134171923. The reversal of 134171899 is 998171431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134171899 - 2⁷ = 134171771 is a prime.

It is not a weakly prime, because it can be changed into another prime (134171839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67085949 + 67085950.

It is an arithmetic number, because the mean of its divisors is an integer number (67085950).

Almost surely, 2^134171899 is an apocalyptic number.

134171899 is a deficient number, since it is larger than the sum of its proper divisors (1).

134171899 is an equidigital number, since it uses as much as digits as its factorization.

134171899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 43.

The square root of 134171899 is about 11583.2594290208. The cubic root of 134171899 is about 511.9417187791.

The spelling of 134171899 in words is "one hundred thirty-four million, one hundred seventy-one thousand, eight hundred ninety-nine".