135134242 has 8 divisors (see below), whose sum is σ = 205478316. Its totient is φ = 66641472.

The previous prime is 135134227. The next prime is 135134257. The reversal of 135134242 is 242431531.

It is an interprime number because it is at equal distance from previous prime (135134227) and next prime (135134257).

It can be written as a sum of positive squares in 2 ways, for example, as 125641681 + 9492561 = 11209^2 + 3081^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×135134242² = 36522526721829128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462643 + ... + 462934.

Almost surely, 2^135134242 is an apocalyptic number.

135134242 is a deficient number, since it is larger than the sum of its proper divisors (70344074).

135134242 is an equidigital number, since it uses as much as digits as its factorization.

135134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925652.

The product of its digits is 2880, while the sum is 25.

The square root of 135134242 is about 11624.7254591238. The cubic root of 135134242 is about 513.1627651480.

Adding to 135134242 its reverse (242431531), we get a palindrome (377565773).

The spelling of 135134242 in words is "one hundred thirty-five million, one hundred thirty-four thousand, two hundred forty-two".