4140036 has 18 divisors (see below), whose sum is σ = 10465182. Its totient is φ = 1380000.

The previous prime is 4140029. The next prime is 4140047. The reversal of 4140036 is 6300414.

It can be written as a sum of positive squares in only one way, i.e., 3218436 + 921600 = 1794^2 + 960^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (18) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57465 + ... + 57536.

It is an arithmetic number, because the mean of its divisors is an integer number (581399).

Almost surely, 2^4140036 is an apocalyptic number.

It is an amenable number.

4140036 is an abundant number, since it is smaller than the sum of its proper divisors (6325146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4140036 is a wasteful number, since it uses less digits than its factorization.

4140036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115011 (or 115006 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4140036 is about 2034.7078414357. The cubic root of 4140036 is about 160.5713427846.

The spelling of 4140036 in words is "four million, one hundred forty thousand, thirty-six".