135406365303 has 16 divisors (see below), whose sum is σ = 196963854336. Its totient is φ = 82060655040.

The previous prime is 135406365251. The next prime is 135406365313. The reversal of 135406365303 is 303563604531.

It is not a de Polignac number, because 135406365303 - 2¹⁷ = 135406234231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135406365313) 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, 734475 + ... + 900147.

It is an arithmetic number, because the mean of its divisors is an integer number (12310240896).

Almost surely, 2^135406365303 is an apocalyptic number.

135406365303 is a deficient number, since it is larger than the sum of its proper divisors (61557489033).

135406365303 is a wasteful number, since it uses less digits than its factorization.

135406365303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190454.

The product of its (nonzero) digits is 291600, while the sum is 39.

Adding to 135406365303 its reverse (303563604531), we get a palindrome (438969969834).

The spelling of 135406365303 in words is "one hundred thirty-five billion, four hundred six million, three hundred sixty-five thousand, three hundred three".