1131634000 has 80 divisors (see below), whose sum is σ = 3127228416. Its totient is φ = 387984000.

The previous prime is 1131633959. The next prime is 1131634003. The reversal of 1131634000 is 4361311.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131634003) 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, 26416 + ... + 54415.

Almost surely, 2^1131634000 is an apocalyptic number.

1131634000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131634000 is an abundant number, since it is smaller than the sum of its proper divisors (1995594416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131634000 is an equidigital number, since it uses as much as digits as its factorization.

1131634000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80861 (or 80845 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1131634000 is about 33639.7681323757. The cubic root of 1131634000 is about 1042.0822434265.

Adding to 1131634000 its reverse (4361311), we get a palindrome (1135995311).

The spelling of 1131634000 in words is "one billion, one hundred thirty-one million, six hundred thirty-four thousand".