89139061 has 8 divisors (see below), whose sum is σ = 97782048. Its totient is φ = 80586000.

The previous prime is 89139049. The next prime is 89139077. The reversal of 89139061 is 16093198.

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

It is not a de Polignac number, because 89139061 - 2²¹ = 87041909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89139061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89139091) 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 7 ways as a sum of consecutive naturals, for example, 20395 + ... + 24376.

It is an arithmetic number, because the mean of its divisors is an integer number (12222756).

Almost surely, 2^89139061 is an apocalyptic number.

It is an amenable number.

89139061 is a deficient number, since it is larger than the sum of its proper divisors (8642987).

89139061 is a wasteful number, since it uses less digits than its factorization.

89139061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44963.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 89139061 is about 9441.3484736027. The cubic root of 89139061 is about 446.7069248509.

The spelling of 89139061 in words is "eighty-nine million, one hundred thirty-nine thousand, sixty-one".