3813136 has 10 divisors (see below), whose sum is σ = 7387982. Its totient is φ = 1906560.

The previous prime is 3813113. The next prime is 3813143. The reversal of 3813136 is 6313183.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 126736 = 1920^2 + 356^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3813136.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119145 + ... + 119176.

Almost surely, 2^3813136 is an apocalyptic number.

It is an amenable number.

3813136 is a deficient number, since it is larger than the sum of its proper divisors (3574846).

3813136 is a wasteful number, since it uses less digits than its factorization.

3813136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238329 (or 238323 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 3813136 is about 1952.7252750963. The cubic root of 3813136 is about 156.2286806112.

The spelling of 3813136 in words is "three million, eight hundred thirteen thousand, one hundred thirty-six".