135435415645 has 4 divisors (see below), whose sum is σ = 162522498780. Its totient is φ = 108348332512.

The previous prime is 135435415637. The next prime is 135435415651. The reversal of 135435415645 is 546514534531.

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

It can be written as a sum of positive squares in 2 ways, for example, as 89222884804 + 46212530841 = 298702^2 + 214971^2 .

It is a cyclic number.

It is not a de Polignac number, because 135435415645 - 2³ = 135435415637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135435415595 and 135435415604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13543541560 + ... + 13543541569.

It is an arithmetic number, because the mean of its divisors is an integer number (40630624695).

Almost surely, 2^135435415645 is an apocalyptic number.

It is an amenable number.

135435415645 is a deficient number, since it is larger than the sum of its proper divisors (27087083135).

135435415645 is an equidigital number, since it uses as much as digits as its factorization.

135435415645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27087083134.

The product of its digits is 2160000, while the sum is 46.

The spelling of 135435415645 in words is "one hundred thirty-five billion, four hundred thirty-five million, four hundred fifteen thousand, six hundred forty-five".