135210454 has 8 divisors (see below), whose sum is σ = 205594200. Its totient is φ = 66679056.

The previous prime is 135210451. The next prime is 135210461. The reversal of 135210454 is 454012531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×135210454² = 36563733741772232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135210451) 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 in 3 ways as a sum of consecutive naturals, for example, 462904 + ... + 463195.

It is an arithmetic number, because the mean of its divisors is an integer number (25699275).

Almost surely, 2^135210454 is an apocalyptic number.

135210454 is a deficient number, since it is larger than the sum of its proper divisors (70383746).

135210454 is an equidigital number, since it uses as much as digits as its factorization.

135210454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926174.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 135210454 is about 11628.0030099755. The cubic root of 135210454 is about 513.2592169188.

Adding to 135210454 its reverse (454012531), we get a palindrome (589222985).

The spelling of 135210454 in words is "one hundred thirty-five million, two hundred ten thousand, four hundred fifty-four".