146121133 has 2 divisors, whose sum is σ = 146121134. Its totient is φ = 146121132.

The previous prime is 146121127. The next prime is 146121193. The reversal of 146121133 is 331121641.

146121133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145878084 + 243049 = 12078^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 146121133 - 2²¹ = 144023981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146121113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73060566 + 73060567.

It is an arithmetic number, because the mean of its divisors is an integer number (73060567).

Almost surely, 2^146121133 is an apocalyptic number.

It is an amenable number.

146121133 is a deficient number, since it is larger than the sum of its proper divisors (1).

146121133 is an equidigital number, since it uses as much as digits as its factorization.

146121133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 146121133 is about 12088.0574535365. The cubic root of 146121133 is about 526.7093286935.

Adding to 146121133 its reverse (331121641), we get a palindrome (477242774).

The spelling of 146121133 in words is "one hundred forty-six million, one hundred twenty-one thousand, one hundred thirty-three".