1131834873 has 16 divisors (see below), whose sum is σ = 1626520896. Its totient is φ = 695947200.

The previous prime is 1131834841. The next prime is 1131834887. The reversal of 1131834873 is 3784381311.

It is not a de Polignac number, because 1131834873 - 2⁵ = 1131834841 is a prime.

It is a super-2 number, since 2×1131834873² = 2562100359477852258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1131834373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39586 + ... + 61892.

It is an arithmetic number, because the mean of its divisors is an integer number (101657556).

Almost surely, 2^1131834873 is an apocalyptic number.

1131834873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1131834873 is a deficient number, since it is larger than the sum of its proper divisors (494686023).

1131834873 is a wasteful number, since it uses less digits than its factorization.

1131834873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23624.

The product of its digits is 48384, while the sum is 39.

The square root of 1131834873 is about 33642.7536477025. The cubic root of 1131834873 is about 1042.1438987562.

The spelling of 1131834873 in words is "one billion, one hundred thirty-one million, eight hundred thirty-four thousand, eight hundred seventy-three".