135303445405 has 16 divisors (see below), whose sum is σ = 162616184640. Its totient is φ = 108074832768.

The previous prime is 135303445397. The next prime is 135303445481. The reversal of 135303445405 is 504544303531.

It is a cyclic number.

It is not a de Polignac number, because 135303445405 - 2³ = 135303445397 is a prime.

It is a super-2 number, since 2×135303445405² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13959801 + ... + 13969489.

It is an arithmetic number, because the mean of its divisors is an integer number (10163511540).

Almost surely, 2^135303445405 is an apocalyptic number.

It is an amenable number.

135303445405 is a deficient number, since it is larger than the sum of its proper divisors (27312739235).

135303445405 is an equidigital number, since it uses as much as digits as its factorization.

135303445405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13740.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 135303445405 its reverse (504544303531), we get a palindrome (639847748936).

The spelling of 135303445405 in words is "one hundred thirty-five billion, three hundred three million, four hundred forty-five thousand, four hundred five".