135315432433 has 4 divisors (see below), whose sum is σ = 141198712128. Its totient is φ = 129432152740.

The previous prime is 135315432379. The next prime is 135315432463. The reversal of 135315432433 is 334234513531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135315432433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135315432392 and 135315432401.

It is not an unprimeable number, because it can be changed into a prime (135315432463) 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, 2941639813 + ... + 2941639858.

It is an arithmetic number, because the mean of its divisors is an integer number (35299678032).

Almost surely, 2^135315432433 is an apocalyptic number.

It is an amenable number.

135315432433 is a deficient number, since it is larger than the sum of its proper divisors (5883279695).

135315432433 is an equidigital number, since it uses as much as digits as its factorization.

135315432433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5883279694.

The product of its digits is 194400, while the sum is 37.

Adding to 135315432433 its reverse (334234513531), we get a palindrome (469549945964).

The spelling of 135315432433 in words is "one hundred thirty-five billion, three hundred fifteen million, four hundred thirty-two thousand, four hundred thirty-three".