1143653319 has 6 divisors (see below), whose sum is σ = 1651943696. Its totient is φ = 762435540.

The previous prime is 1143653317. The next prime is 1143653321. The reversal of 1143653319 is 9133563411.

It is a happy number.

1143653319 is a `hidden beast` number, since 114 + 3 + 6 + 533 + 1 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (1143653317) and next prime (1143653321).

It is not a de Polignac number, because 1143653319 - 2¹ = 1143653317 is a prime.

It is a super-2 number, since 2×1143653319² = 2615885828119431522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143653317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63536287 + ... + 63536304.

Almost surely, 2^1143653319 is an apocalyptic number.

1143653319 is a deficient number, since it is larger than the sum of its proper divisors (508290377).

1143653319 is a wasteful number, since it uses less digits than its factorization.

1143653319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127072597 (or 127072594 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 1143653319 is about 33817.9437429303. The cubic root of 1143653319 is about 1045.7586484504.

The spelling of 1143653319 in words is "one billion, one hundred forty-three million, six hundred fifty-three thousand, three hundred nineteen".