134330440 has 64 divisors (see below), whose sum is σ = 314818560. Its totient is φ = 51528960.

The previous prime is 134330411. The next prime is 134330453. The reversal of 134330440 is 44033431.

It is a super-2 number, since 2×134330440² = 36089334221187200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157054 + ... + 157906.

It is an arithmetic number, because the mean of its divisors is an integer number (4919040).

Almost surely, 2^134330440 is an apocalyptic number.

134330440 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 134330440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157409280).

134330440 is an abundant number, since it is smaller than the sum of its proper divisors (180488120).

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

134330440 is a wasteful number, since it uses less digits than its factorization.

134330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1018 counting only the distinct ones).

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

The square root of 134330440 is about 11590.1009486544. The cubic root of 134330440 is about 512.1432806193.

Adding to 134330440 its reverse (44033431), we get a palindrome (178363871).

The spelling of 134330440 in words is "one hundred thirty-four million, three hundred thirty thousand, four hundred forty".