134321432 has 16 divisors (see below), whose sum is σ = 287831760. Its totient is φ = 57566304.

The previous prime is 134321413. The next prime is 134321443. The reversal of 134321432 is 234123431.

It is a junction number, because it is equal to n+sod(n) for n = 134321398 and 134321407.

It is a congruent number.

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, 1199243 + ... + 1199354.

It is an arithmetic number, because the mean of its divisors is an integer number (17989485).

Almost surely, 2^134321432 is an apocalyptic number.

It is an amenable number.

134321432 is an abundant number, since it is smaller than the sum of its proper divisors (153510328).

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

134321432 is a wasteful number, since it uses less digits than its factorization.

134321432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398610 (or 2398606 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 134321432 is about 11589.7123346527. The cubic root of 134321432 is about 512.1318325072.

Adding to 134321432 its reverse (234123431), we get a palindrome (368444863).

The spelling of 134321432 in words is "one hundred thirty-four million, three hundred twenty-one thousand, four hundred thirty-two".