135385883597 has 4 divisors (see below), whose sum is σ = 135393432636. Its totient is φ = 135378334560.

The previous prime is 135385883579. The next prime is 135385883681. The reversal of 135385883597 is 795388583531.

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 62931241321 + 72454642276 = 250861^2 + 269174^2 .

It is a cyclic number.

It is not a de Polignac number, because 135385883597 - 2²⁴ = 135369106381 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 (135385888597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3747554 + ... + 3783507.

It is an arithmetic number, because the mean of its divisors is an integer number (33848358159).

Almost surely, 2^135385883597 is an apocalyptic number.

It is an amenable number.

135385883597 is a deficient number, since it is larger than the sum of its proper divisors (7549039).

135385883597 is an equidigital number, since it uses as much as digits as its factorization.

135385883597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549038.

The product of its digits is 108864000, while the sum is 65.

The spelling of 135385883597 in words is "one hundred thirty-five billion, three hundred eighty-five million, eight hundred eighty-three thousand, five hundred ninety-seven".