135305444413 has 16 divisors (see below), whose sum is σ = 144653691456. Its totient is φ = 126117077760.

The previous prime is 135305444387. The next prime is 135305444423. The reversal of 135305444413 is 314444503531.

It is a cyclic number.

It is not a de Polignac number, because 135305444413 - 2⁵ = 135305444381 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 (135305444423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697923 + ... + 870463.

It is an arithmetic number, because the mean of its divisors is an integer number (9040855716).

Almost surely, 2^135305444413 is an apocalyptic number.

It is an amenable number.

135305444413 is a deficient number, since it is larger than the sum of its proper divisors (9348247043).

135305444413 is a wasteful number, since it uses less digits than its factorization.

135305444413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173004.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 135305444413 its reverse (314444503531), we get a palindrome (449749947944).

The spelling of 135305444413 in words is "one hundred thirty-five billion, three hundred five million, four hundred forty-four thousand, four hundred thirteen".