135313441 has 2 divisors, whose sum is σ = 135313442. Its totient is φ = 135313440.

The previous prime is 135313429. The next prime is 135313447. The reversal of 135313441 is 144313531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123210000 + 12103441 = 11100^2 + 3479^2 .

It is a cyclic number.

It is not a de Polignac number, because 135313441 - 2⁷ = 135313313 is a prime.

It is not a weakly prime, because it can be changed into another prime (135313447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67656720 + 67656721.

It is an arithmetic number, because the mean of its divisors is an integer number (67656721).

Almost surely, 2^135313441 is an apocalyptic number.

It is an amenable number.

135313441 is a deficient number, since it is larger than the sum of its proper divisors (1).

135313441 is an equidigital number, since it uses as much as digits as its factorization.

135313441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 135313441 is about 11632.4305714670. The cubic root of 135313441 is about 513.3894968159.

Adding to 135313441 its reverse (144313531), we get a palindrome (279626972).

The spelling of 135313441 in words is "one hundred thirty-five million, three hundred thirteen thousand, four hundred forty-one".