8203135938 has 16 divisors (see below), whose sum is σ = 16444342656. Its totient is φ = 2728033520.

The previous prime is 8203135907. The next prime is 8203135939. The reversal of 8203135938 is 8395313028.

It is a self number, because there is not a number n which added to its sum of digits gives 8203135938.

It is not an unprimeable number, because it can be changed into a prime (8203135939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1583481 + ... + 1588652.

It is an arithmetic number, because the mean of its divisors is an integer number (1027771416).

Almost surely, 2^8203135938 is an apocalyptic number.

8203135938 is an abundant number, since it is smaller than the sum of its proper divisors (8241206718).

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

8203135938 is a wasteful number, since it uses less digits than its factorization.

8203135938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172569.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 8203135938 is about 90571.1650471606. The cubic root of 8203135938 is about 2016.7867039205.

The spelling of 8203135938 in words is "eight billion, two hundred three million, one hundred thirty-five thousand, nine hundred thirty-eight".