135451423515333 has 4 divisors (see below), whose sum is σ = 180601898020448. Its totient is φ = 90300949010220.

The previous prime is 135451423515299. The next prime is 135451423515347. The reversal of 135451423515333 is 333515324154531.

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 not a de Polignac number, because 135451423515333 - 2⁶ = 135451423515269 is a prime.

It is a super-2 number, since 2×135451423515333² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135451423535333) 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, 22575237252553 + ... + 22575237252558.

It is an arithmetic number, because the mean of its divisors is an integer number (45150474505112).

Almost surely, 2^{135451423515333} is an apocalyptic number.

It is an amenable number.

135451423515333 is a deficient number, since it is larger than the sum of its proper divisors (45150474505115).

135451423515333 is an equidigital number, since it uses as much as digits as its factorization.

135451423515333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45150474505114.

The product of its digits is 4860000, while the sum is 48.

Adding to 135451423515333 its reverse (333515324154531), we get a palindrome (468966747669864).

The spelling of 135451423515333 in words is "one hundred thirty-five trillion, four hundred fifty-one billion, four hundred twenty-three million, five hundred fifteen thousand, three hundred thirty-three".