3827207138 has 4 divisors (see below), whose sum is σ = 5740810710. Its totient is φ = 1913603568.

The previous prime is 3827207123. The next prime is 3827207143. The reversal of 3827207138 is 8317027283.

3827207138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2428222729 + 1398984409 = 49277^2 + 37403^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3827207095 and 3827207104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956801783 + ... + 956801786.

Almost surely, 2^3827207138 is an apocalyptic number.

3827207138 is a deficient number, since it is larger than the sum of its proper divisors (1913603572).

3827207138 is a wasteful number, since it uses less digits than its factorization.

3827207138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913603571.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 3827207138 is about 61864.4254640743. The cubic root of 3827207138 is about 1564.2061508883.

The spelling of 3827207138 in words is "three billion, eight hundred twenty-seven million, two hundred seven thousand, one hundred thirty-eight".