83139801 has 8 divisors (see below), whose sum is σ = 116687520. Its totient is φ = 52509312.

The previous prime is 83139743. The next prime is 83139811. The reversal of 83139801 is 10893138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 83139801 - 2⁹ = 83139289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83139811) 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, 729240 + ... + 729353.

It is an arithmetic number, because the mean of its divisors is an integer number (14585940).

Almost surely, 2^83139801 is an apocalyptic number.

It is an amenable number.

83139801 is a deficient number, since it is larger than the sum of its proper divisors (33547719).

83139801 is a wasteful number, since it uses less digits than its factorization.

83139801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458615.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 83139801 is about 9118.1029276928. The cubic root of 83139801 is about 436.4518381405.

The spelling of 83139801 in words is "eighty-three million, one hundred thirty-nine thousand, eight hundred one".