1143674040 has 32 divisors (see below), whose sum is σ = 3431022480. Its totient is φ = 304979712.

The previous prime is 1143674039. The next prime is 1143674089. The reversal of 1143674040 is 404763411.

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

It is a junction number, because it is equal to n+sod(n) for n = 1143673989 and 1143674007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4765189 + ... + 4765428.

Almost surely, 2^1143674040 is an apocalyptic number.

1143674040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143674040 is an abundant number, since it is smaller than the sum of its proper divisors (2287348440).

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

1143674040 is a wasteful number, since it uses less digits than its factorization.

1143674040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530631 (or 9530627 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1143674040 is about 33818.2501025704. The cubic root of 1143674040 is about 1045.7649641854.

The spelling of 1143674040 in words is "one billion, one hundred forty-three million, six hundred seventy-four thousand, forty".