135513022451 has 8 divisors (see below), whose sum is σ = 142255334400. Its totient is φ = 128918893320.

The previous prime is 135513022417. The next prime is 135513022457. The reversal of 135513022451 is 154220315531.

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

It is a cyclic number.

It is not a de Polignac number, because 135513022451 - 2¹⁸ = 135512760307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135513022457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37043831 + ... + 37047488.

It is an arithmetic number, because the mean of its divisors is an integer number (17781916800).

Almost surely, 2^135513022451 is an apocalyptic number.

135513022451 is a deficient number, since it is larger than the sum of its proper divisors (6742311949).

135513022451 is an equidigital number, since it uses as much as digits as its factorization.

135513022451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74091409.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 135513022451 its reverse (154220315531), we get a palindrome (289733337982).

The spelling of 135513022451 in words is "one hundred thirty-five billion, five hundred thirteen million, twenty-two thousand, four hundred fifty-one".