1160133138 has 32 divisors (see below), whose sum is σ = 2582435520. Its totient is φ = 386056800.

The previous prime is 1160133137. The next prime is 1160133157. The reversal of 1160133138 is 8313310611.

1160133138 is a `hidden beast` number, since 11 + 601 + 33 + 13 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1160133137) 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, 14581 + ... + 50327.

It is an arithmetic number, because the mean of its divisors is an integer number (80701110).

Almost surely, 2^1160133138 is an apocalyptic number.

1160133138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1160133138 is an abundant number, since it is smaller than the sum of its proper divisors (1422302382).

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

1160133138 is a wasteful number, since it uses less digits than its factorization.

1160133138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36359 (or 36353 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1160133138 is about 34060.7272089132. The cubic root of 1160133138 is about 1050.7577713620.

Adding to 1160133138 its reverse (8313310611), we get a palindrome (9473443749).

The spelling of 1160133138 in words is "one billion, one hundred sixty million, one hundred thirty-three thousand, one hundred thirty-eight".