89138013 has 8 divisors (see below), whose sum is σ = 119151648. Its totient is φ = 59274864.

The previous prime is 89138009. The next prime is 89138029. The reversal of 89138013 is 31083198.

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

It is not a de Polignac number, because 89138013 - 2² = 89138009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89138003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36231 + ... + 38612.

It is an arithmetic number, because the mean of its divisors is an integer number (14893956).

Almost surely, 2^89138013 is an apocalyptic number.

It is an amenable number.

89138013 is a deficient number, since it is larger than the sum of its proper divisors (30013635).

89138013 is a wasteful number, since it uses less digits than its factorization.

89138013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75243.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 89138013 is about 9441.2929728931. The cubic root of 89138013 is about 446.7051742129.

The spelling of 89138013 in words is "eighty-nine million, one hundred thirty-eight thousand, thirteen".