8193540126 has 32 divisors (see below), whose sum is σ = 17806003200. Its totient is φ = 2503967040.

The previous prime is 8193540119. The next prime is 8193540139. The reversal of 8193540126 is 6210453918.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1155711 + ... + 1162778.

It is an arithmetic number, because the mean of its divisors is an integer number (556437600).

Almost surely, 2^8193540126 is an apocalyptic number.

8193540126 is an abundant number, since it is smaller than the sum of its proper divisors (9612463074).

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

8193540126 is a wasteful number, since it uses less digits than its factorization.

8193540126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318544.

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 8193540126 is about 90518.1756665478. The cubic root of 8193540126 is about 2016.0000024605. Note that the first 5 decimals are identical.

The spelling of 8193540126 in words is "eight billion, one hundred ninety-three million, five hundred forty thousand, one hundred twenty-six".