135325452551 has 4 divisors (see below), whose sum is σ = 135479758392. Its totient is φ = 135171146712.

The previous prime is 135325452547. The next prime is 135325452553. The reversal of 135325452551 is 155254523531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155254523531 = 727 ⋅213555053.

It is a cyclic number.

It is not a de Polignac number, because 135325452551 - 2² = 135325452547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135325452499 and 135325452508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135325452553) 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, 77151605 + ... + 77153358.

It is an arithmetic number, because the mean of its divisors is an integer number (33869939598).

Almost surely, 2^135325452551 is an apocalyptic number.

135325452551 is a deficient number, since it is larger than the sum of its proper divisors (154305841).

135325452551 is an equidigital number, since it uses as much as digits as its factorization.

135325452551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154305840.

The product of its digits is 450000, while the sum is 41.

The spelling of 135325452551 in words is "one hundred thirty-five billion, three hundred twenty-five million, four hundred fifty-two thousand, five hundred fifty-one".