20140136 has 16 divisors (see below), whose sum is σ = 38783940. Its totient is φ = 9797760.

The previous prime is 20140097. The next prime is 20140151. The reversal of 20140136 is 63104102.

It can be written as a sum of positive squares in 2 ways, for example, as 14822500 + 5317636 = 3850^2 + 2306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33725 + ... + 34316.

Almost surely, 2^20140136 is an apocalyptic number.

It is an amenable number.

20140136 is a deficient number, since it is larger than the sum of its proper divisors (18643804).

20140136 is a wasteful number, since it uses less digits than its factorization.

20140136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68084 (or 68080 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20140136 is about 4487.7762867594. The cubic root of 20140136 is about 272.0742660530.

Adding to 20140136 its reverse (63104102), we get a palindrome (83244238).

The spelling of 20140136 in words is "twenty million, one hundred forty thousand, one hundred thirty-six".