134989452 has 216 divisors, whose sum is σ = 419380416. Its totient is φ = 36246528.

The previous prime is 134989423. The next prime is 134989487. The reversal of 134989452 is 254989431.

It is a junction number, because it is equal to n+sod(n) for n = 134989398 and 134989407.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 2872093 + ... + 2872139.

It is an arithmetic number, because the mean of its divisors is an integer number (1941576).

Almost surely, 2^134989452 is an apocalyptic number.

134989452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134989452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209690208).

134989452 is an abundant number, since it is smaller than the sum of its proper divisors (284390964).

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

134989452 is a wasteful number, since it uses less digits than its factorization.

134989452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 101 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 134989452 is about 11618.4961161073. The cubic root of 134989452 is about 512.9794230430.

The spelling of 134989452 in words is "one hundred thirty-four million, nine hundred eighty-nine thousand, four hundred fifty-two".