8203138 has 8 divisors (see below), whose sum is σ = 12380688. Its totient is φ = 4076244.

The previous prime is 8203133. The next prime is 8203147. The reversal of 8203138 is 8313028.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8203133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12256 + ... + 12907.

It is an arithmetic number, because the mean of its divisors is an integer number (1547586).

Almost surely, 2^8203138 is an apocalyptic number.

8203138 is a deficient number, since it is larger than the sum of its proper divisors (4177550).

8203138 is a wasteful number, since it uses less digits than its factorization.

8203138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25328.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8203138 is about 2864.1120788126. The cubic root of 8203138 is about 201.6786872905.

The spelling of 8203138 in words is "eight million, two hundred three thousand, one hundred thirty-eight".