135020345 has 16 divisors (see below), whose sum is σ = 169620480. Its totient is φ = 103051200.

The previous prime is 135020323. The next prime is 135020351. The reversal of 135020345 is 543020531.

It is not a de Polignac number, because 135020345 - 2⁸ = 135020089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135020345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4871 + ... + 17139.

It is an arithmetic number, because the mean of its divisors is an integer number (10601280).

Almost surely, 2^135020345 is an apocalyptic number.

It is an amenable number.

135020345 is a deficient number, since it is larger than the sum of its proper divisors (34600135).

135020345 is a wasteful number, since it uses less digits than its factorization.

135020345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12376.

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

The square root of 135020345 is about 11619.8255150411. The cubic root of 135020345 is about 513.0185526794.

Adding to 135020345 its reverse (543020531), we get a palindrome (678040876).

The spelling of 135020345 in words is "one hundred thirty-five million, twenty thousand, three hundred forty-five".