135434351645 has 4 divisors (see below), whose sum is σ = 162521221980. Its totient is φ = 108347481312.

The previous prime is 135434351621. The next prime is 135434351681. The reversal of 135434351645 is 546153434531.

It is a happy number.

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 100340698756 + 35093652889 = 316766^2 + 187333^2 .

It is a cyclic number.

It is not a de Polignac number, because 135434351645 - 2¹⁴ = 135434335261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135434351596 and 135434351605.

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, 13543435160 + ... + 13543435169.

It is an arithmetic number, because the mean of its divisors is an integer number (40630305495).

Almost surely, 2^135434351645 is an apocalyptic number.

It is an amenable number.

135434351645 is a deficient number, since it is larger than the sum of its proper divisors (27086870335).

135434351645 is an equidigital number, since it uses as much as digits as its factorization.

135434351645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27086870334.

The product of its digits is 1296000, while the sum is 44.

The spelling of 135434351645 in words is "one hundred thirty-five billion, four hundred thirty-four million, three hundred fifty-one thousand, six hundred forty-five".