135220413013 has 16 divisors (see below), whose sum is σ = 157227793920. Its totient is φ = 113887350000.

The previous prime is 135220413007. The next prime is 135220413023. The reversal of 135220413013 is 310314022531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 135220413013 - 2¹³ = 135220404821 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 (135220413023) 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, 856938 + ... + 1002388.

It is an arithmetic number, because the mean of its divisors is an integer number (9826737120).

Almost surely, 2^135220413013 is an apocalyptic number.

It is an amenable number.

135220413013 is a deficient number, since it is larger than the sum of its proper divisors (22007380907).

135220413013 is a wasteful number, since it uses less digits than its factorization.

135220413013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147768.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 135220413013 its reverse (310314022531), we get a palindrome (445534435544).

The spelling of 135220413013 in words is "one hundred thirty-five billion, two hundred twenty million, four hundred thirteen thousand, thirteen".