1163138229 has 12 divisors (see below), whose sum is σ = 1832824032. Its totient is φ = 704932200.

The previous prime is 1163138227. The next prime is 1163138269. The reversal of 1163138229 is 9228313611.

1163138229 is a `hidden beast` number, since 11 + 631 + 3 + 8 + 2 + 2 + 9 = 666.

It is not a de Polignac number, because 1163138229 - 2¹ = 1163138227 is a prime.

It is a super-2 number, since 2×1163138229² = 2705781079522512882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1163138193 and 1163138202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163138227) 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 11 ways as a sum of consecutive naturals, for example, 5874337 + ... + 5874534.

It is an arithmetic number, because the mean of its divisors is an integer number (152735336).

Almost surely, 2^1163138229 is an apocalyptic number.

It is an amenable number.

1163138229 is a deficient number, since it is larger than the sum of its proper divisors (669685803).

1163138229 is a wasteful number, since it uses less digits than its factorization.

1163138229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11748888 (or 11748885 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1163138229 is about 34104.8124023575. The cubic root of 1163138229 is about 1051.6642478517.

The spelling of 1163138229 in words is "one billion, one hundred sixty-three million, one hundred thirty-eight thousand, two hundred twenty-nine".