18069135 has 32 divisors (see below), whose sum is σ = 33940992. Its totient is φ = 8035200.

The previous prime is 18069119. The next prime is 18069137. The reversal of 18069135 is 53196081.

It is not a de Polignac number, because 18069135 - 2⁴ = 18069119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18069096 and 18069105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18069137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1560 + ... + 6210.

It is an arithmetic number, because the mean of its divisors is an integer number (1060656).

Almost surely, 2^18069135 is an apocalyptic number.

18069135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18069135 is a deficient number, since it is larger than the sum of its proper divisors (15871857).

18069135 is a wasteful number, since it uses less digits than its factorization.

18069135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 18069135 is about 4250.7805165640. The cubic root of 18069135 is about 262.4092384633.

The spelling of 18069135 in words is "eighteen million, sixty-nine thousand, one hundred thirty-five".