83189542 has 16 divisors (see below), whose sum is σ = 130581072. Its totient is φ = 39705120.

The previous prime is 83189539. The next prime is 83189549. The reversal of 83189542 is 24598138.

It is a junction number, because it is equal to n+sod(n) for n = 83189495 and 83189504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83189549) 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, 6684 + ... + 14527.

It is an arithmetic number, because the mean of its divisors is an integer number (8161317).

Almost surely, 2^83189542 is an apocalyptic number.

83189542 is a deficient number, since it is larger than the sum of its proper divisors (47391530).

83189542 is a wasteful number, since it uses less digits than its factorization.

83189542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21303.

The product of its digits is 69120, while the sum is 40.

The square root of 83189542 is about 9120.8301157296. The cubic root of 83189542 is about 436.5388611330.

The spelling of 83189542 in words is "eighty-three million, one hundred eighty-nine thousand, five hundred forty-two".