1143314634 has 96 divisors (see below), whose sum is σ = 3028778496. Its totient is φ = 279463680.

The previous prime is 1143314611. The next prime is 1143314657. The reversal of 1143314634 is 4364133411.

It is an interprime number because it is at equal distance from previous prime (1143314611) and next prime (1143314657).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129237 + ... + 137799.

It is an arithmetic number, because the mean of its divisors is an integer number (31549776).

Almost surely, 2^1143314634 is an apocalyptic number.

1143314634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143314634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1514389248).

1143314634 is an abundant number, since it is smaller than the sum of its proper divisors (1885463862).

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

1143314634 is a wasteful number, since it uses less digits than its factorization.

1143314634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620 (or 8603 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 1143314634 is about 33812.9358973751. The cubic root of 1143314634 is about 1045.6554068676.

The spelling of 1143314634 in words is "one billion, one hundred forty-three million, three hundred fourteen thousand, six hundred thirty-four".