133010237 has 2 divisors, whose sum is σ = 133010238. Its totient is φ = 133010236.

The previous prime is 133010201. The next prime is 133010257. The reversal of 133010237 is 732010331.

It is a happy number.

It is an a-pointer prime, because the next prime (133010257) can be obtained adding 133010237 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114468601 + 18541636 = 10699^2 + 4306^2 .

It is a cyclic number.

It is not a de Polignac number, because 133010237 - 2¹⁴ = 132993853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133010257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66505118 + 66505119.

It is an arithmetic number, because the mean of its divisors is an integer number (66505119).

Almost surely, 2^133010237 is an apocalyptic number.

It is an amenable number.

133010237 is a deficient number, since it is larger than the sum of its proper divisors (1).

133010237 is an equidigital number, since it uses as much as digits as its factorization.

133010237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 133010237 is about 11533.0064163686. The cubic root of 133010237 is about 510.4599682166.

Adding to 133010237 its reverse (732010331), we get a palindrome (865020568).

The spelling of 133010237 in words is "one hundred thirty-three million, ten thousand, two hundred thirty-seven".