280134 has 24 divisors (see below), whose sum is σ = 617760. Its totient is φ = 91728.

The previous prime is 280129. The next prime is 280139. The reversal of 280134 is 431082.

It is a happy number.

280134 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (280129) and next prime (280139).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1324 + ... + 1520.

It is an arithmetic number, because the mean of its divisors is an integer number (25740).

2²⁸⁰¹³⁴ is an apocalyptic number.

280134 is an abundant number, since it is smaller than the sum of its proper divisors (337626).

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

280134 is a wasteful number, since it uses less digits than its factorization.

280134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 280134 is about 529.2768651660. The cubic root of 280134 is about 65.4317607986.

It can be divided in two parts, 280 and 134, that added together give a palindrome (414).

The spelling of 280134 in words is "two hundred eighty thousand, one hundred thirty-four".