1136540140 has 12 divisors (see below), whose sum is σ = 2386734336. Its totient is φ = 454616048.

The previous prime is 1136540129. The next prime is 1136540159. The reversal of 1136540140 is 410456311.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28413484 + ... + 28413523.

It is an arithmetic number, because the mean of its divisors is an integer number (198894528).

Almost surely, 2^1136540140 is an apocalyptic number.

1136540140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1136540140 is an abundant number, since it is smaller than the sum of its proper divisors (1250194196).

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

1136540140 is a wasteful number, since it uses less digits than its factorization.

1136540140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56827016 (or 56827014 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1136540140 is about 33712.6109935140. The cubic root of 1136540140 is about 1043.5860366583.

Adding to 1136540140 its reverse (410456311), we get a palindrome (1546996451).

The spelling of 1136540140 in words is "one billion, one hundred thirty-six million, five hundred forty thousand, one hundred forty".