134430172 has 12 divisors (see below), whose sum is σ = 235524240. Its totient is φ = 67137536.

The previous prime is 134430161. The next prime is 134430181. The reversal of 134430172 is 271034431.

134430172 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×134430172² = 36142942287899168, which contains 22 as substring.

134430172 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15397 + ... + 22492.

It is an arithmetic number, because the mean of its divisors is an integer number (19627020).

Almost surely, 2^134430172 is an apocalyptic number.

It is an amenable number.

134430172 is a deficient number, since it is larger than the sum of its proper divisors (101094068).

134430172 is a wasteful number, since it uses less digits than its factorization.

134430172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38780 (or 38778 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 134430172 is about 11594.4026150552. The cubic root of 134430172 is about 512.2699941137.

The spelling of 134430172 in words is "one hundred thirty-four million, four hundred thirty thousand, one hundred seventy-two".