135302405 has 16 divisors (see below), whose sum is σ = 196473600. Its totient is φ = 87320832.

The previous prime is 135302359. The next prime is 135302407. The reversal of 135302405 is 504203531.

It is a cyclic number.

It is not a de Polignac number, because 135302405 - 2⁸ = 135302149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135302407) 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, 113105 + ... + 114294.

It is an arithmetic number, because the mean of its divisors is an integer number (12279600).

Almost surely, 2^135302405 is an apocalyptic number.

It is an amenable number.

135302405 is a deficient number, since it is larger than the sum of its proper divisors (61171195).

135302405 is a wasteful number, since it uses less digits than its factorization.

135302405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227428.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 135302405 is about 11631.9561983357. The cubic root of 135302405 is about 513.3755392951.

Adding to 135302405 its reverse (504203531), we get a palindrome (639505936).

The spelling of 135302405 in words is "one hundred thirty-five million, three hundred two thousand, four hundred five".