134444432 has 20 divisors (see below), whose sum is σ = 275809356. Its totient is φ = 63267840.

The previous prime is 134444419. The next prime is 134444441. The reversal of 134444432 is 234444431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 82373776 + 52070656 = 9076^2 + 7216^2 .

It is a junction number, because it is equal to n+sod(n) for n = 134444395 and 134444404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246869 + ... + 247412.

Almost surely, 2^134444432 is an apocalyptic number.

It is an amenable number.

134444432 is an abundant number, since it is smaller than the sum of its proper divisors (141364924).

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

134444432 is a wasteful number, since it uses less digits than its factorization.

134444432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494306 (or 494300 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 134444432 is about 11595.0175506551. The cubic root of 134444432 is about 512.2881068923.

Adding to 134444432 its reverse (234444431), we get a palindrome (368888863).

Subtracting 134444432 from its reverse (234444431), we obtain a palindrome (99999999).

The spelling of 134444432 in words is "one hundred thirty-four million, four hundred forty-four thousand, four hundred thirty-two".