93228139 has 2 divisors, whose sum is σ = 93228140. Its totient is φ = 93228138.

The previous prime is 93228133. The next prime is 93228169. The reversal of 93228139 is 93182239.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 93228139 - 2⁹ = 93227627 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 93228098 and 93228107.

It is not a weakly prime, because it can be changed into another prime (93228133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46614069 + 46614070.

It is an arithmetic number, because the mean of its divisors is an integer number (46614070).

Almost surely, 2^93228139 is an apocalyptic number.

93228139 is a deficient number, since it is larger than the sum of its proper divisors (1).

93228139 is an equidigital number, since it uses as much as digits as its factorization.

93228139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 93228139 is about 9655.4719718924. The cubic root of 93228139 is about 453.4356598716.

The spelling of 93228139 in words is "ninety-three million, two hundred twenty-eight thousand, one hundred thirty-nine".