135041237 has 2 divisors, whose sum is σ = 135041238. Its totient is φ = 135041236.

The previous prime is 135041173. The next prime is 135041261. The reversal of 135041237 is 732140531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126315121 + 8726116 = 11239^2 + 2954^2 .

It is a cyclic number.

It is not a de Polignac number, because 135041237 - 2⁶ = 135041173 is a prime.

It is a super-2 number, since 2×135041237² = 36472271380980338, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135041267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67520618 + 67520619.

It is an arithmetic number, because the mean of its divisors is an integer number (67520619).

Almost surely, 2^135041237 is an apocalyptic number.

It is an amenable number.

135041237 is a deficient number, since it is larger than the sum of its proper divisors (1).

135041237 is an equidigital number, since it uses as much as digits as its factorization.

135041237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 135041237 is about 11620.7244610652. The cubic root of 135041237 is about 513.0450114842.

Adding to 135041237 its reverse (732140531), we get a palindrome (867181768).

It can be divided in two parts, 13504 and 1237, that added together give a palindrome (14741).

The spelling of 135041237 in words is "one hundred thirty-five million, forty-one thousand, two hundred thirty-seven".