134456988 has 72 divisors (see below), whose sum is σ = 334454400. Its totient is φ = 42026336.

The previous prime is 134456983. The next prime is 134457019. The reversal of 134456988 is 889654431.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134456981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 374353 + ... + 374711.

It is an arithmetic number, because the mean of its divisors is an integer number (4645200).

Almost surely, 2^134456988 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134456988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167227200).

134456988 is an abundant number, since it is smaller than the sum of its proper divisors (199997412).

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

134456988 is a wasteful number, since it uses less digits than its factorization.

134456988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 446 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 134456988 is about 11595.5589774706. The cubic root of 134456988 is about 512.3040542225.

The spelling of 134456988 in words is "one hundred thirty-four million, four hundred fifty-six thousand, nine hundred eighty-eight".