135475199999 has 4 divisors (see below), whose sum is σ = 136042042080. Its totient is φ = 134908357920.

The previous prime is 135475199921. The next prime is 135475200017. The reversal of 135475199999 is 999991574531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999991574531 = 10181 ⋅98221351.

It is a cyclic number.

It is not a de Polignac number, because 135475199999 - 2¹² = 135475195903 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 (135475199399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283420682 + ... + 283421159.

It is an arithmetic number, because the mean of its divisors is an integer number (34010510520).

Almost surely, 2^135475199999 is an apocalyptic number.

135475199999 is a deficient number, since it is larger than the sum of its proper divisors (566842081).

135475199999 is an equidigital number, since it uses as much as digits as its factorization.

135475199999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566842080.

The product of its digits is 124002900, while the sum is 71.

The spelling of 135475199999 in words is "one hundred thirty-five billion, four hundred seventy-five million, one hundred ninety-nine thousand, nine hundred ninety-nine".