89138012 has 6 divisors (see below), whose sum is σ = 155991528. Its totient is φ = 44569004.

The previous prime is 89138009. The next prime is 89138029. The reversal of 89138012 is 21083198.

It is a self number, because there is not a number n which added to its sum of digits gives 89138012.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11142248 + ... + 11142255.

It is an arithmetic number, because the mean of its divisors is an integer number (25998588).

Almost surely, 2^89138012 is an apocalyptic number.

It is an amenable number.

89138012 is a deficient number, since it is larger than the sum of its proper divisors (66853516).

89138012 is a wasteful number, since it uses less digits than its factorization.

89138012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22284507 (or 22284505 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 89138012 is about 9441.2929199342. The cubic root of 89138012 is about 446.7051725424.

The spelling of 89138012 in words is "eighty-nine million, one hundred thirty-eight thousand, twelve".