1143715907 has 8 divisors (see below), whose sum is σ = 1169230656. Its totient is φ = 1118250432.

The previous prime is 1143715897. The next prime is 1143715931. The reversal of 1143715907 is 7095173411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143715907 - 2²⁸ = 875280451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143715957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36773 + ... + 60329.

It is an arithmetic number, because the mean of its divisors is an integer number (146153832).

Almost surely, 2^1143715907 is an apocalyptic number.

1143715907 is a deficient number, since it is larger than the sum of its proper divisors (25514749).

1143715907 is a wasteful number, since it uses less digits than its factorization.

1143715907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24637.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 1143715907 is about 33818.8690969997. The cubic root of 1143715907 is about 1045.7777249622. Note that the first 4 decimals are identical.

The spelling of 1143715907 in words is "one billion, one hundred forty-three million, seven hundred fifteen thousand, nine hundred seven".