135131435 has 8 divisors (see below), whose sum is σ = 163763856. Its totient is φ = 107034400.

The previous prime is 135131431. The next prime is 135131467. The reversal of 135131435 is 534131531.

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

It is not a de Polignac number, because 135131435 - 2² = 135131431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135131431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133289 + ... + 134298.

It is an arithmetic number, because the mean of its divisors is an integer number (20470482).

Almost surely, 2^135131435 is an apocalyptic number.

135131435 is a deficient number, since it is larger than the sum of its proper divisors (28632421).

135131435 is a wasteful number, since it uses less digits than its factorization.

135131435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267693.

The product of its digits is 2700, while the sum is 26.

The square root of 135131435 is about 11624.6047244627. The cubic root of 135131435 is about 513.1592119952.

Adding to 135131435 its reverse (534131531), we get a palindrome (669262966).

The spelling of 135131435 in words is "one hundred thirty-five million, one hundred thirty-one thousand, four hundred thirty-five".