83140746 has 32 divisors (see below), whose sum is σ = 179419968. Its totient is φ = 25532160.

The previous prime is 83140723. The next prime is 83140747. The reversal of 83140746 is 64704138.

It is not an unprimeable number, because it can be changed into a prime (83140747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75661 + ... + 76751.

It is an arithmetic number, because the mean of its divisors is an integer number (5606874).

Almost surely, 2^83140746 is an apocalyptic number.

83140746 is an abundant number, since it is smaller than the sum of its proper divisors (96279222).

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

83140746 is a wasteful number, since it uses less digits than its factorization.

83140746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 83140746 is about 9118.1547475353. The cubic root of 83140746 is about 436.4534917626.

The spelling of 83140746 in words is "eighty-three million, one hundred forty thousand, seven hundred forty-six".