8203135894 has 4 divisors (see below), whose sum is σ = 12304703844. Its totient is φ = 4101567946.

The previous prime is 8203135891. The next prime is 8203135907. The reversal of 8203135894 is 4985313028.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8203135894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8203135891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050783972 + ... + 2050783975.

It is an arithmetic number, because the mean of its divisors is an integer number (3076175961).

Almost surely, 2^8203135894 is an apocalyptic number.

8203135894 is a deficient number, since it is larger than the sum of its proper divisors (4101567950).

8203135894 is a wasteful number, since it uses less digits than its factorization.

8203135894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101567949.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 8203135894 is about 90571.1648042577. The cubic root of 8203135894 is about 2016.7867003146.

The spelling of 8203135894 in words is "eight billion, two hundred three million, one hundred thirty-five thousand, eight hundred ninety-four".