1189133463 has 16 divisors (see below), whose sum is σ = 1825053440. Its totient is φ = 674614656.

The previous prime is 1189133453. The next prime is 1189133483. The reversal of 1189133463 is 3643319811.

1189133463 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1189133463 - 2⁵ = 1189133431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189133423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200770 + ... + 206607.

It is an arithmetic number, because the mean of its divisors is an integer number (114065840).

Almost surely, 2^1189133463 is an apocalyptic number.

1189133463 is a deficient number, since it is larger than the sum of its proper divisors (635919977).

1189133463 is a wasteful number, since it uses less digits than its factorization.

1189133463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407526.

The product of its digits is 46656, while the sum is 39.

The square root of 1189133463 is about 34483.8145076788. The cubic root of 1189133463 is about 1059.4412217495.

It can be divided in two parts, 11891 and 33463, that added together give a palindrome (45354).

The spelling of 1189133463 in words is "one billion, one hundred eighty-nine million, one hundred thirty-three thousand, four hundred sixty-three".