134310440 has 64 divisors (see below), whose sum is σ = 330946560. Its totient is φ = 48651520.

The previous prime is 134310433. The next prime is 134310461. The reversal of 134310440 is 44013431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 168122 + ... + 168918.

It is an arithmetic number, because the mean of its divisors is an integer number (5171040).

Almost surely, 2^134310440 is an apocalyptic number.

134310440 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 134310440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165473280).

134310440 is an abundant number, since it is smaller than the sum of its proper divisors (196636120).

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

134310440 is a wasteful number, since it uses less digits than its factorization.

134310440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 134310440 is about 11589.2381112824. The cubic root of 134310440 is about 512.1178622704.

Adding to 134310440 its reverse (44013431), we get a palindrome (178323871).

The spelling of 134310440 in words is "one hundred thirty-four million, three hundred ten thousand, four hundred forty".