93138313 has 4 divisors (see below), whose sum is σ = 93196180. Its totient is φ = 93080448.

The previous prime is 93138307. The next prime is 93138317. The reversal of 93138313 is 31383139.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31383139 = 17 ⋅1846067.

It can be written as a sum of positive squares in 2 ways, for example, as 48622729 + 44515584 = 6973^2 + 6672^2 .

It is a cyclic number.

It is not a de Polignac number, because 93138313 - 2¹⁷ = 93007241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93138317) 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 3 ways as a sum of consecutive naturals, for example, 26448 + ... + 29761.

It is an arithmetic number, because the mean of its divisors is an integer number (23299045).

Almost surely, 2^93138313 is an apocalyptic number.

It is an amenable number.

93138313 is a deficient number, since it is larger than the sum of its proper divisors (57867).

93138313 is a wasteful number, since it uses less digits than its factorization.

93138313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57866.

The product of its digits is 5832, while the sum is 31.

The square root of 93138313 is about 9650.8192916457. The cubic root of 93138313 is about 453.2899835399.

The spelling of 93138313 in words is "ninety-three million, one hundred thirty-eight thousand, three hundred thirteen".