135432444 has 48 divisors (see below), whose sum is σ = 367087616. Its totient is φ = 38059200.

The previous prime is 135432443. The next prime is 135432461. The reversal of 135432444 is 444234531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135432443) 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 15 ways as a sum of consecutive naturals, for example, 8092 + ... + 18339.

Almost surely, 2^135432444 is an apocalyptic number.

135432444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

135432444 is an abundant number, since it is smaller than the sum of its proper divisors (231655172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135432444 is a wasteful number, since it uses less digits than its factorization.

135432444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26506 (or 26504 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 135432444 is about 11637.5445863808. The cubic root of 135432444 is about 513.5399548645.

Adding to 135432444 its reverse (444234531), we get a palindrome (579666975).

The spelling of 135432444 in words is "one hundred thirty-five million, four hundred thirty-two thousand, four hundred forty-four".