135415259 has 4 divisors (see below), whose sum is σ = 154760304. Its totient is φ = 116070216.

The previous prime is 135415193. The next prime is 135415271. The reversal of 135415259 is 952514531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 952514531 = 1319 ⋅722149.

It is a cyclic number.

It is not a de Polignac number, because 135415259 - 2¹⁶ = 135349723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135415289) 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, 9672512 + ... + 9672525.

It is an arithmetic number, because the mean of its divisors is an integer number (38690076).

Almost surely, 2^135415259 is an apocalyptic number.

135415259 is a deficient number, since it is larger than the sum of its proper divisors (19345045).

135415259 is an equidigital number, since it uses as much as digits as its factorization.

135415259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19345044.

The product of its digits is 27000, while the sum is 35.

The square root of 135415259 is about 11636.8062199213. The cubic root of 135415259 is about 513.5182329462.

The spelling of 135415259 in words is "one hundred thirty-five million, four hundred fifteen thousand, two hundred fifty-nine".