134133440 has 112 divisors (see below), whose sum is σ = 368027712. Its totient is φ = 45613056.

The previous prime is 134133437. The next prime is 134133457. The reversal of 134133440 is 44331431.

It is a tau number, because it is divible by the number of its divisors (112).

It is a nialpdrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521792 + ... + 522048.

Almost surely, 2^134133440 is an apocalyptic number.

134133440 is a gapful number since it is divisible by the number (10) 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 134133440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184013856).

134133440 is an abundant number, since it is smaller than the sum of its proper divisors (233894272).

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

134133440 is a wasteful number, since it uses less digits than its factorization.

134133440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 134133440 is about 11581.5991987290. The cubic root of 134133440 is about 511.8927998221.

Adding to 134133440 its reverse (44331431), we get a palindrome (178464871).

The spelling of 134133440 in words is "one hundred thirty-four million, one hundred thirty-three thousand, four hundred forty".