89136349 has 2 divisors, whose sum is σ = 89136350. Its totient is φ = 89136348.

The previous prime is 89136329. The next prime is 89136371. The reversal of 89136349 is 94363198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81324324 + 7812025 = 9018^2 + 2795^2 .

It is a cyclic number.

It is not a de Polignac number, because 89136349 - 2¹⁷ = 89005277 is a prime.

It is equal to p_5169976 and since 89136349 and 5169976 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89136329) 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 as a sum of consecutive naturals, namely, 44568174 + 44568175.

It is an arithmetic number, because the mean of its divisors is an integer number (44568175).

Almost surely, 2^89136349 is an apocalyptic number.

It is an amenable number.

89136349 is a deficient number, since it is larger than the sum of its proper divisors (1).

89136349 is an equidigital number, since it uses as much as digits as its factorization.

89136349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 89136349 is about 9441.2048489586. The cubic root of 89136349 is about 446.7023945457.

The spelling of 89136349 in words is "eighty-nine million, one hundred thirty-six thousand, three hundred forty-nine".