134428830 has 16 divisors (see below), whose sum is σ = 322629264. Its totient is φ = 35847680.

The previous prime is 134428769. The next prime is 134428831. The reversal of 134428830 is 38824431.

It is a super-2 number, since 2×134428830² = 36142220670337800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 134428791 and 134428800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134428831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240451 + ... + 2240510.

It is an arithmetic number, because the mean of its divisors is an integer number (20164329).

Almost surely, 2^134428830 is an apocalyptic number.

134428830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134428830 is an abundant number, since it is smaller than the sum of its proper divisors (188200434).

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

134428830 is a wasteful number, since it uses less digits than its factorization.

134428830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480971.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 134428830 is about 11594.3447421577. The cubic root of 134428830 is about 512.2682894651.

The spelling of 134428830 in words is "one hundred thirty-four million, four hundred twenty-eight thousand, eight hundred thirty".