135451441 has 4 divisors (see below), whose sum is σ = 135930352. Its totient is φ = 134972532.

The previous prime is 135451417. The next prime is 135451447. The reversal of 135451441 is 144154531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135451441 - 2⁹ = 135450929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135451447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239031 + ... + 239596.

It is an arithmetic number, because the mean of its divisors is an integer number (33982588).

Almost surely, 2^135451441 is an apocalyptic number.

It is an amenable number.

135451441 is a deficient number, since it is larger than the sum of its proper divisors (478911).

135451441 is an equidigital number, since it uses as much as digits as its factorization.

135451441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478910.

The product of its digits is 4800, while the sum is 28.

The square root of 135451441 is about 11638.3607522709. The cubic root of 135451441 is about 513.5639650207.

The spelling of 135451441 in words is "one hundred thirty-five million, four hundred fifty-one thousand, four hundred forty-one".