89135013 has 36 divisors (see below), whose sum is σ = 136379264. Its totient is φ = 51691200.

The previous prime is 89135003. The next prime is 89135021. The reversal of 89135013 is 31053198.

It is a happy number.

It is not a de Polignac number, because 89135013 - 2¹² = 89130917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89135003) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1001473 + ... + 1001561.

Almost surely, 2^89135013 is an apocalyptic number.

It is an amenable number.

89135013 is a deficient number, since it is larger than the sum of its proper divisors (47244251).

89135013 is a wasteful number, since it uses less digits than its factorization.

89135013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 89135013 is about 9441.1340950121. The cubic root of 89135013 is about 446.7001627686.

The spelling of 89135013 in words is "eighty-nine million, one hundred thirty-five thousand, thirteen".