1133327538 has 80 divisors (see below), whose sum is σ = 2980828224. Its totient is φ = 315044640.

The previous prime is 1133327509. The next prime is 1133327549. The reversal of 1133327538 is 8357233311.

1133327538 is a `hidden beast` number, since 113 + 3 + 3 + 2 + 7 + 538 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28453 + ... + 55463.

Almost surely, 2^1133327538 is an apocalyptic number.

1133327538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133327538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490414112).

1133327538 is an abundant number, since it is smaller than the sum of its proper divisors (1847500686).

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

1133327538 is a wasteful number, since it uses less digits than its factorization.

1133327538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27069 (or 27060 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 1133327538 is about 33664.9303875710. The cubic root of 1133327538 is about 1042.6018243278.

The spelling of 1133327538 in words is "one billion, one hundred thirty-three million, three hundred twenty-seven thousand, five hundred thirty-eight".