8503138 has 16 divisors (see below), whose sum is σ = 14618304. Its totient is φ = 3633840.

The previous prime is 8503133. The next prime is 8503141. The reversal of 8503138 is 8313058.

8503138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (8503133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6256 + ... + 7492.

It is an arithmetic number, because the mean of its divisors is an integer number (913644).

Almost surely, 2^8503138 is an apocalyptic number.

8503138 is a deficient number, since it is larger than the sum of its proper divisors (6115166).

8503138 is a wasteful number, since it uses less digits than its factorization.

8503138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 8503138 is about 2916.0140603228. The cubic root of 8503138 is about 204.1078661897.

The spelling of 8503138 in words is "eight million, five hundred three thousand, one hundred thirty-eight".