134979199 has 2 divisors, whose sum is σ = 134979200. Its totient is φ = 134979198.

The previous prime is 134979151. The next prime is 134979277. The reversal of 134979199 is 991979431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134979199 - 2¹⁷ = 134848127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134979139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67489599 + 67489600.

It is an arithmetic number, because the mean of its divisors is an integer number (67489600).

Almost surely, 2^134979199 is an apocalyptic number.

134979199 is a deficient number, since it is larger than the sum of its proper divisors (1).

134979199 is an equidigital number, since it uses as much as digits as its factorization.

134979199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 52.

The square root of 134979199 is about 11618.0548716212. The cubic root of 134979199 is about 512.9664350870.

The spelling of 134979199 in words is "one hundred thirty-four million, nine hundred seventy-nine thousand, one hundred ninety-nine".