83140494 has 16 divisors (see below), whose sum is σ = 166682880. Its totient is φ = 27646520.

The previous prime is 83140493. The next prime is 83140529. The reversal of 83140494 is 49404138.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83140493) 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, 14022 + ... + 19049.

It is an arithmetic number, because the mean of its divisors is an integer number (10417680).

Almost surely, 2^83140494 is an apocalyptic number.

83140494 is an abundant number, since it is smaller than the sum of its proper divisors (83542386).

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

83140494 is a wasteful number, since it uses less digits than its factorization.

83140494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33495.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 83140494 is about 9118.1409289394. The cubic root of 83140494 is about 436.4530507979.

The spelling of 83140494 in words is "eighty-three million, one hundred forty thousand, four hundred ninety-four".