134424430 has 64 divisors (see below), whose sum is σ = 296732160. Its totient is φ = 42816384.

The previous prime is 134424403. The next prime is 134424431. The reversal of 134424430 is 34424431.

It is a junction number, because it is equal to n+sod(n) for n = 134424395 and 134424404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134424431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69537 + ... + 71443.

It is an arithmetic number, because the mean of its divisors is an integer number (4636440).

Almost surely, 2^134424430 is an apocalyptic number.

134424430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134424430 is an abundant number, since it is smaller than the sum of its proper divisors (162307730).

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

134424430 is a wasteful number, since it uses less digits than its factorization.

134424430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 134424430 is about 11594.1549929264. The cubic root of 134424430 is about 512.2627003736.

Adding to 134424430 its reverse (34424431), we get a palindrome (168848861).

Subtracting from 134424430 its reverse (34424431), we obtain a palindrome (99999999).

The spelling of 134424430 in words is "one hundred thirty-four million, four hundred twenty-four thousand, four hundred thirty".