135324451551 has 4 divisors (see below), whose sum is σ = 180432602072. Its totient is φ = 90216301032.

The previous prime is 135324451543. The next prime is 135324451579. The reversal of 135324451551 is 155154423531.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 135324451551 - 2³ = 135324451543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135324451651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22554075256 + ... + 22554075261.

It is an arithmetic number, because the mean of its divisors is an integer number (45108150518).

Almost surely, 2^135324451551 is an apocalyptic number.

135324451551 is a deficient number, since it is larger than the sum of its proper divisors (45108150521).

135324451551 is an equidigital number, since it uses as much as digits as its factorization.

135324451551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45108150520.

The product of its digits is 180000, while the sum is 39.

The spelling of 135324451551 in words is "one hundred thirty-five billion, three hundred twenty-four million, four hundred fifty-one thousand, five hundred fifty-one".