1163139383 has 8 divisors (see below), whose sum is σ = 1330237440. Its totient is φ = 996275160.

The previous prime is 1163139353. The next prime is 1163139403. The reversal of 1163139383 is 3839313611.

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 1163139383 - 2¹⁴ = 1163122999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163139323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47663 + ... + 67808.

It is an arithmetic number, because the mean of its divisors is an integer number (166279680).

Almost surely, 2^1163139383 is an apocalyptic number.

1163139383 is a deficient number, since it is larger than the sum of its proper divisors (167098057).

1163139383 is a wasteful number, since it uses less digits than its factorization.

1163139383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116917.

The product of its digits is 34992, while the sum is 38.

The square root of 1163139383 is about 34104.8293207868. The cubic root of 1163139383 is about 1051.6645956522.

The spelling of 1163139383 in words is "one billion, one hundred sixty-three million, one hundred thirty-nine thousand, three hundred eighty-three".