134198899 has 2 divisors, whose sum is σ = 134198900. Its totient is φ = 134198898.

The previous prime is 134198879. The next prime is 134198927. The reversal of 134198899 is 998891431.

It is a weak prime.

It is an emirp because it is prime and its reverse (998891431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134198899 - 2²³ = 125810291 is a prime.

It is not a weakly prime, because it can be changed into another prime (134198849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67099449 + 67099450.

It is an arithmetic number, because the mean of its divisors is an integer number (67099450).

Almost surely, 2^134198899 is an apocalyptic number.

134198899 is a deficient number, since it is larger than the sum of its proper divisors (1).

134198899 is an equidigital number, since it uses as much as digits as its factorization.

134198899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 52.

The square root of 134198899 is about 11584.4248454552. The cubic root of 134198899 is about 511.9760565687.

The spelling of 134198899 in words is "one hundred thirty-four million, one hundred ninety-eight thousand, eight hundred ninety-nine".