135751199 has 4 divisors (see below), whose sum is σ = 135787320. Its totient is φ = 135715080.

The previous prime is 135751177. The next prime is 135751229. The reversal of 135751199 is 991157531.

135751199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 135751199 - 2¹² = 135747103 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 (135756199) 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, 11669 + ... + 20190.

It is an arithmetic number, because the mean of its divisors is an integer number (33946830).

Almost surely, 2^135751199 is an apocalyptic number.

135751199 is a deficient number, since it is larger than the sum of its proper divisors (36121).

135751199 is an equidigital number, since it uses as much as digits as its factorization.

135751199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36120.

The product of its digits is 42525, while the sum is 41.

The square root of 135751199 is about 11651.2316516324. The cubic root of 135751199 is about 513.9425299238.

The spelling of 135751199 in words is "one hundred thirty-five million, seven hundred fifty-one thousand, one hundred ninety-nine".