20140135 has 8 divisors (see below), whose sum is σ = 24235200. Its totient is φ = 16067424.

The previous prime is 20140097. The next prime is 20140151. The reversal of 20140135 is 53104102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20140135 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3535 + ... + 7264.

It is an arithmetic number, because the mean of its divisors is an integer number (3029400).

Almost surely, 2^20140135 is an apocalyptic number.

20140135 is a deficient number, since it is larger than the sum of its proper divisors (4095065).

20140135 is a wasteful number, since it uses less digits than its factorization.

20140135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11177.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20140135 is about 4487.7761753456. The cubic root of 20140135 is about 272.0742615499.

Adding to 20140135 its reverse (53104102), we get a palindrome (73244237).

The spelling of 20140135 in words is "twenty million, one hundred forty thousand, one hundred thirty-five".