135690199 has 2 divisors, whose sum is σ = 135690200. Its totient is φ = 135690198.

The previous prime is 135690127. The next prime is 135690221. The reversal of 135690199 is 991096531.

It is a strong prime.

It is an emirp because it is prime and its reverse (991096531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135690199 - 2²³ = 127301591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135690299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67845099 + 67845100.

It is an arithmetic number, because the mean of its divisors is an integer number (67845100).

Almost surely, 2^135690199 is an apocalyptic number.

135690199 is a deficient number, since it is larger than the sum of its proper divisors (1).

135690199 is an equidigital number, since it uses as much as digits as its factorization.

135690199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65610, while the sum is 43.

The square root of 135690199 is about 11648.6136084944. The cubic root of 135690199 is about 513.8655381145.

The spelling of 135690199 in words is "one hundred thirty-five million, six hundred ninety thousand, one hundred ninety-nine".