235133149 has 2 divisors, whose sum is σ = 235133150. Its totient is φ = 235133148.

The previous prime is 235133089. The next prime is 235133179. The reversal of 235133149 is 941331532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 228553924 + 6579225 = 15118^2 + 2565^2 .

It is a cyclic number.

It is not a de Polignac number, because 235133149 - 2⁷ = 235133021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235133149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235133179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117566574 + 117566575.

It is an arithmetic number, because the mean of its divisors is an integer number (117566575).

Almost surely, 2^235133149 is an apocalyptic number.

It is an amenable number.

235133149 is a deficient number, since it is larger than the sum of its proper divisors (1).

235133149 is an equidigital number, since it uses as much as digits as its factorization.

235133149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 31.

The square root of 235133149 is about 15334.0519433058. The cubic root of 235133149 is about 617.2171052517.

It can be divided in two parts, 23513 and 3149, that added together give a palindrome (26662).

The spelling of 235133149 in words is "two hundred thirty-five million, one hundred thirty-three thousand, one hundred forty-nine".