134281830 has 32 divisors (see below), whose sum is σ = 326361600. Its totient is φ = 35354592.

The previous prime is 134281813. The next prime is 134281831. The reversal of 134281830 is 38182431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134281831) 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 15 ways as a sum of consecutive naturals, for example, 25960 + ... + 30699.

It is an arithmetic number, because the mean of its divisors is an integer number (10198800).

Almost surely, 2^134281830 is an apocalyptic number.

134281830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134281830 is an abundant number, since it is smaller than the sum of its proper divisors (192079770).

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

134281830 is a wasteful number, since it uses less digits than its factorization.

134281830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56748.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 134281830 is about 11588.0037107346. The cubic root of 134281830 is about 512.0814969352.

The spelling of 134281830 in words is "one hundred thirty-four million, two hundred eighty-one thousand, eight hundred thirty".