135636852199 has 4 divisors (see below), whose sum is σ = 140012234560. Its totient is φ = 131261469840.

The previous prime is 135636852193. The next prime is 135636852233. The reversal of 135636852199 is 991258636531.

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 135636852199 - 2⁹ = 135636851687 is a prime.

It is a super-2 number, since 2×135636852199² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135636852193) 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, 2187691134 + ... + 2187691195.

It is an arithmetic number, because the mean of its divisors is an integer number (35003058640).

Almost surely, 2^135636852199 is an apocalyptic number.

135636852199 is a deficient number, since it is larger than the sum of its proper divisors (4375382361).

135636852199 is an equidigital number, since it uses as much as digits as its factorization.

135636852199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375382360.

The product of its digits is 10497600, while the sum is 58.

The spelling of 135636852199 in words is "one hundred thirty-five billion, six hundred thirty-six million, eight hundred fifty-two thousand, one hundred ninety-nine".