1330133237 has 2 divisors, whose sum is σ = 1330133238. Its totient is φ = 1330133236.

The previous prime is 1330133197. The next prime is 1330133257. The reversal of 1330133237 is 7323310331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1219336561 + 110796676 = 34919^2 + 10526^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330133237 - 2²⁸ = 1061697781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330133257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665066618 + 665066619.

It is an arithmetic number, because the mean of its divisors is an integer number (665066619).

Almost surely, 2^1330133237 is an apocalyptic number.

It is an amenable number.

1330133237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330133237 is an equidigital number, since it uses as much as digits as its factorization.

1330133237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 26.

The square root of 1330133237 is about 36470.9917194474. The cubic root of 1330133237 is about 1099.7611704637.

Adding to 1330133237 its reverse (7323310331), we get a palindrome (8653443568).

The spelling of 1330133237 in words is "one billion, three hundred thirty million, one hundred thirty-three thousand, two hundred thirty-seven".