134421388 has 12 divisors (see below), whose sum is σ = 235319560. Its totient is φ = 67187232.

The previous prime is 134421383. The next prime is 134421439. The reversal of 134421388 is 883124431.

134421388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (134421383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16495 + ... + 23257.

Almost surely, 2^134421388 is an apocalyptic number.

It is an amenable number.

134421388 is a deficient number, since it is larger than the sum of its proper divisors (100898172).

134421388 is a wasteful number, since it uses less digits than its factorization.

134421388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11736 (or 11734 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 134421388 is about 11594.0238053922. The cubic root of 134421388 is about 512.2588362077.

The spelling of 134421388 in words is "one hundred thirty-four million, four hundred twenty-one thousand, three hundred eighty-eight".