281434036 has 24 divisors (see below), whose sum is σ = 538317920. Its totient is φ = 127952352.

The previous prime is 281434019. The next prime is 281434039. The reversal of 281434036 is 630434182.

It is a junction number, because it is equal to n+sod(n) for n = 281433989 and 281434007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281434039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36906 + ... + 43873.

Almost surely, 2^281434036 is an apocalyptic number.

281434036 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

281434036 is a deficient number, since it is larger than the sum of its proper divisors (256883884).

281434036 is a wasteful number, since it uses less digits than its factorization.

281434036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80863 (or 80861 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 281434036 is about 16775.9958273719. The cubic root of 281434036 is about 655.3282242860.

The spelling of 281434036 in words is "two hundred eighty-one million, four hundred thirty-four thousand, thirty-six".