135304442 has 64 divisors (see below), whose sum is σ = 259096320. Its totient is φ = 51884352.

The previous prime is 135304439. The next prime is 135304451. The reversal of 135304442 is 244403531.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1630133 + ... + 1630215.

It is an arithmetic number, because the mean of its divisors is an integer number (4048380).

Almost surely, 2^135304442 is an apocalyptic number.

135304442 is a deficient number, since it is larger than the sum of its proper divisors (123791878).

135304442 is an equidigital number, since it uses as much as digits as its factorization.

135304442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 135304442 is about 11632.0437585147. The cubic root of 135304442 is about 513.3781155999.

Adding to 135304442 its reverse (244403531), we get a palindrome (379707973).

The spelling of 135304442 in words is "one hundred thirty-five million, three hundred four thousand, four hundred forty-two".