83139224 has 16 divisors (see below), whose sum is σ = 178155600. Its totient is φ = 35631072.

The previous prime is 83139209. The next prime is 83139229. The reversal of 83139224 is 42293138.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83139229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742259 + ... + 742370.

It is an arithmetic number, because the mean of its divisors is an integer number (11134725).

Almost surely, 2^83139224 is an apocalyptic number.

It is an amenable number.

83139224 is an abundant number, since it is smaller than the sum of its proper divisors (95016376).

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

83139224 is a wasteful number, since it uses less digits than its factorization.

83139224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484642 (or 1484638 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 83139224 is about 9118.0712872844. The cubic root of 83139224 is about 436.4508284625.

The spelling of 83139224 in words is "eighty-three million, one hundred thirty-nine thousand, two hundred twenty-four".