135594199 has 4 divisors (see below), whose sum is σ = 146024536. Its totient is φ = 125163864.

The previous prime is 135594191. The next prime is 135594209. The reversal of 135594199 is 991495531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135594199 - 2³ = 135594191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135594191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5215149 + ... + 5215174.

It is an arithmetic number, because the mean of its divisors is an integer number (36506134).

Almost surely, 2^135594199 is an apocalyptic number.

135594199 is a deficient number, since it is larger than the sum of its proper divisors (10430337).

135594199 is a wasteful number, since it uses less digits than its factorization.

135594199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10430336.

The product of its digits is 218700, while the sum is 46.

The square root of 135594199 is about 11644.4922173532. The cubic root of 135594199 is about 513.7443239310.

The spelling of 135594199 in words is "one hundred thirty-five million, five hundred ninety-four thousand, one hundred ninety-nine".