83201140 has 48 divisors (see below), whose sum is σ = 191237760. Its totient is φ = 30154880.

The previous prime is 83201101. The next prime is 83201147. The reversal of 83201140 is 4110238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83201147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111609 + ... + 112351.

It is an arithmetic number, because the mean of its divisors is an integer number (3984120).

Almost surely, 2^83201140 is an apocalyptic number.

It is an amenable number.

83201140 is an abundant number, since it is smaller than the sum of its proper divisors (108036620).

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

83201140 is a wasteful number, since it uses less digits than its factorization.

83201140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1270 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 83201140 is about 9121.4658909629. The cubic root of 83201140 is about 436.5591471062.

Adding to 83201140 its reverse (4110238), we get a palindrome (87311378).

The spelling of 83201140 in words is "eighty-three million, two hundred one thousand, one hundred forty".