135133451 has 2 divisors, whose sum is σ = 135133452. Its totient is φ = 135133450.

The previous prime is 135133447. The next prime is 135133457. The reversal of 135133451 is 154331531.

It is a weak prime.

It is an emirp because it is prime and its reverse (154331531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135133451 - 2² = 135133447 is a prime.

It is a super-2 number, since 2×135133451² = 36522099158338802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135133451.

It is not a weakly prime, because it can be changed into another prime (135133457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67566725 + 67566726.

It is an arithmetic number, because the mean of its divisors is an integer number (67566726).

Almost surely, 2^135133451 is an apocalyptic number.

135133451 is a deficient number, since it is larger than the sum of its proper divisors (1).

135133451 is an equidigital number, since it uses as much as digits as its factorization.

135133451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 26.

The square root of 135133451 is about 11624.6914367651. The cubic root of 135133451 is about 513.1617638905.

Adding to 135133451 its reverse (154331531), we get a palindrome (289464982).

The spelling of 135133451 in words is "one hundred thirty-five million, one hundred thirty-three thousand, four hundred fifty-one".