135727499 has 4 divisors (see below), whose sum is σ = 135777864. Its totient is φ = 135677136.

The previous prime is 135727457. The next prime is 135727519. The reversal of 135727499 is 994727531.

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 135727499 - 2¹⁶ = 135661963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135727409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20897 + ... + 26610.

It is an arithmetic number, because the mean of its divisors is an integer number (33944466).

Almost surely, 2^135727499 is an apocalyptic number.

135727499 is a deficient number, since it is larger than the sum of its proper divisors (50365).

135727499 is an equidigital number, since it uses as much as digits as its factorization.

135727499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50364.

The product of its digits is 476280, while the sum is 47.

The square root of 135727499 is about 11650.2145473807. The cubic root of 135727499 is about 513.9126194529.

The spelling of 135727499 in words is "one hundred thirty-five million, seven hundred twenty-seven thousand, four hundred ninety-nine".