134421312 has 56 divisors (see below), whose sum is σ = 376586496. Its totient is φ = 42170368.

The previous prime is 134421289. The next prime is 134421319. The reversal of 134421312 is 213124431.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134421319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17328 + ... + 23855.

Almost surely, 2^134421312 is an apocalyptic number.

134421312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

134421312 is an abundant number, since it is smaller than the sum of its proper divisors (242165184).

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

134421312 is a wasteful number, since it uses less digits than its factorization.

134421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41215 (or 41205 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 134421312 is about 11594.0205278411. The cubic root of 134421312 is about 512.2587396664.

Adding to 134421312 its reverse (213124431), we get a palindrome (347545743).

The spelling of 134421312 in words is "one hundred thirty-four million, four hundred twenty-one thousand, three hundred twelve".