1131136896 has 32 divisors (see below), whose sum is σ = 3004583400. Its totient is φ = 377045504.

The previous prime is 1131136891. The next prime is 1131136901. The reversal of 1131136896 is 6986311311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1131136891) and next prime (1131136901).

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131136891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472451 + ... + 1473218.

Almost surely, 2^1131136896 is an apocalyptic number.

1131136896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1131136896 is an abundant number, since it is smaller than the sum of its proper divisors (1873446504).

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

1131136896 is an equidigital number, since it uses as much as digits as its factorization.

1131136896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2945686 (or 2945674 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 1131136896 is about 33632.3786848329. The cubic root of 1131136896 is about 1041.9296325051.

The spelling of 1131136896 in words is "one billion, one hundred thirty-one million, one hundred thirty-six thousand, eight hundred ninety-six".