1143069834 has 32 divisors (see below), whose sum is σ = 2422068480. Its totient is φ = 358395392.

The previous prime is 1143069833. The next prime is 1143069839. The reversal of 1143069834 is 4389603411.

It is a junction number, because it is equal to n+sod(n) for n = 1143069792 and 1143069801.

It is not an unprimeable number, because it can be changed into a prime (1143069833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316342 + ... + 319934.

It is an arithmetic number, because the mean of its divisors is an integer number (75689640).

Almost surely, 2^1143069834 is an apocalyptic number.

1143069834 is an abundant number, since it is smaller than the sum of its proper divisors (1278998646).

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

1143069834 is a wasteful number, since it uses less digits than its factorization.

1143069834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6734.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 1143069834 is about 33809.3157872205. The cubic root of 1143069834 is about 1045.5807716191.

The spelling of 1143069834 in words is "one billion, one hundred forty-three million, sixty-nine thousand, eight hundred thirty-four".