1143658967 has 12 divisors (see below), whose sum is σ = 1258905648. Its totient is φ = 1038180000.

The previous prime is 1143658949. The next prime is 1143658981. The reversal of 1143658967 is 7698563411.

It is not a de Polignac number, because 1143658967 - 2¹⁰ = 1143657943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143658067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81467 + ... + 94467.

It is an arithmetic number, because the mean of its divisors is an integer number (104908804).

Almost surely, 2^1143658967 is an apocalyptic number.

1143658967 is a deficient number, since it is larger than the sum of its proper divisors (115246681).

1143658967 is a wasteful number, since it uses less digits than its factorization.

1143658967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750 (or 13739 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The square root of 1143658967 is about 33818.0272487914. The cubic root of 1143658967 is about 1045.7603699613.

The spelling of 1143658967 in words is "one billion, one hundred forty-three million, six hundred fifty-eight thousand, nine hundred sixty-seven".