1163131534 has 16 divisors (see below), whose sum is σ = 1882184688. Its totient is φ = 537027712.

The previous prime is 1163131499. The next prime is 1163131549. The reversal of 1163131534 is 4351313611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320932 + ... + 324535.

It is an arithmetic number, because the mean of its divisors is an integer number (117636543).

Almost surely, 2^1163131534 is an apocalyptic number.

1163131534 is a deficient number, since it is larger than the sum of its proper divisors (719053154).

1163131534 is a wasteful number, since it uses less digits than its factorization.

1163131534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645539.

The product of its digits is 3240, while the sum is 28.

The square root of 1163131534 is about 34104.7142489129. The cubic root of 1163131534 is about 1051.6622300619.

The spelling of 1163131534 in words is "one billion, one hundred sixty-three million, one hundred thirty-one thousand, five hundred thirty-four".