93291139 has 2 divisors, whose sum is σ = 93291140. Its totient is φ = 93291138.

The previous prime is 93291119. The next prime is 93291161. The reversal of 93291139 is 93119239.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 93291139 - 2¹⁹ = 92766851 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 93291098 and 93291107.

It is not a weakly prime, because it can be changed into another prime (93291119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46645569 + 46645570.

It is an arithmetic number, because the mean of its divisors is an integer number (46645570).

Almost surely, 2^93291139 is an apocalyptic number.

93291139 is a deficient number, since it is larger than the sum of its proper divisors (1).

93291139 is an equidigital number, since it uses as much as digits as its factorization.

93291139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 37.

The square root of 93291139 is about 9658.7338197095. The cubic root of 93291139 is about 453.5377750147.

The spelling of 93291139 in words is "ninety-three million, two hundred ninety-one thousand, one hundred thirty-nine".