89139542 has 8 divisors (see below), whose sum is σ = 136554336. Its totient is φ = 43621432.

The previous prime is 89139527. The next prime is 89139553. The reversal of 89139542 is 24593198.

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

It is a self number, because there is not a number n which added to its sum of digits gives 89139542.

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 in 3 ways as a sum of consecutive naturals, for example, 474053 + ... + 474240.

It is an arithmetic number, because the mean of its divisors is an integer number (17069292).

Almost surely, 2^89139542 is an apocalyptic number.

89139542 is a deficient number, since it is larger than the sum of its proper divisors (47414794).

89139542 is a wasteful number, since it uses less digits than its factorization.

89139542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948342.

The product of its digits is 77760, while the sum is 41.

The square root of 89139542 is about 9441.3739466245. The cubic root of 89139542 is about 446.7077283357.

The spelling of 89139542 in words is "eighty-nine million, one hundred thirty-nine thousand, five hundred forty-two".