135331451 has 2 divisors, whose sum is σ = 135331452. Its totient is φ = 135331450.

The previous prime is 135331423. The next prime is 135331453. The reversal of 135331451 is 154133531.

It is a strong prime.

It is an emirp because it is prime and its reverse (154133531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135331451 - 2⁶ = 135331387 is a prime.

Together with 135331453, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135331451.

It is not a weakly prime, because it can be changed into another prime (135331453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67665725 + 67665726.

It is an arithmetic number, because the mean of its divisors is an integer number (67665726).

Almost surely, 2^135331451 is an apocalyptic number.

135331451 is a deficient number, since it is larger than the sum of its proper divisors (1).

135331451 is an equidigital number, since it uses as much as digits as its factorization.

135331451 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 135331451 is about 11633.2046745512. The cubic root of 135331451 is about 513.4122729092.

Adding to 135331451 its reverse (154133531), we get a palindrome (289464982).

The spelling of 135331451 in words is "one hundred thirty-five million, three hundred thirty-one thousand, four hundred fifty-one".