135967199 has 2 divisors, whose sum is σ = 135967200. Its totient is φ = 135967198.

The previous prime is 135967177. The next prime is 135967217. The reversal of 135967199 is 991769531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135967199 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135967499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67983599 + 67983600.

It is an arithmetic number, because the mean of its divisors is an integer number (67983600).

Almost surely, 2^135967199 is an apocalyptic number.

135967199 is a deficient number, since it is larger than the sum of its proper divisors (1).

135967199 is an equidigital number, since it uses as much as digits as its factorization.

135967199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 459270, while the sum is 50.

The square root of 135967199 is about 11660.4973736115. The cubic root of 135967199 is about 514.2149713724.

The spelling of 135967199 in words is "one hundred thirty-five million, nine hundred sixty-seven thousand, one hundred ninety-nine".