1132670891 has 8 divisors (see below), whose sum is σ = 1235895024. Its totient is φ = 1029489120.

The previous prime is 1132670887. The next prime is 1132670911. The reversal of 1132670891 is 1980762311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1132670891 - 2² = 1132670887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132670831) 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, 76505 + ... + 90101.

It is an arithmetic number, because the mean of its divisors is an integer number (154486878).

Almost surely, 2^1132670891 is an apocalyptic number.

1132670891 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1132670891 is a deficient number, since it is larger than the sum of its proper divisors (103224133).

1132670891 is a wasteful number, since it uses less digits than its factorization.

1132670891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21181.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1132670891 is about 33655.1762883512. The cubic root of 1132670891 is about 1042.4004251728.

The spelling of 1132670891 in words is "one billion, one hundred thirty-two million, six hundred seventy thousand, eight hundred ninety-one".