134303440 has 80 divisors (see below), whose sum is σ = 332978688. Its totient is φ = 50259968.

The previous prime is 134303423. The next prime is 134303441. The reversal of 134303440 is 44303431.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134303441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85704 + ... + 87256.

Almost surely, 2^134303440 is an apocalyptic number.

134303440 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 134303440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166489344).

134303440 is an abundant number, since it is smaller than the sum of its proper divisors (198675248).

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

134303440 is a wasteful number, since it uses less digits than its factorization.

134303440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1630 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 134303440 is about 11588.9361030252. The cubic root of 134303440 is about 512.1089652521.

Adding to 134303440 its reverse (44303431), we get a palindrome (178606871).

Subtracting from 134303440 its reverse (44303431), we obtain a palindrome (90000009).

The spelling of 134303440 in words is "one hundred thirty-four million, three hundred three thousand, four hundred forty".