1134531240 has 64 divisors (see below), whose sum is σ = 3406708800. Its totient is φ = 302264832.

The previous prime is 1134531239. The next prime is 1134531247. The reversal of 1134531240 is 421354311.

It is a happy number.

It is a super-2 number, since 2×1134531240² = 2574322269071875200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1134531240.

It is not an unprimeable number, because it can be changed into a prime (1134531247) 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, 150276 + ... + 157644.

It is an arithmetic number, because the mean of its divisors is an integer number (53229825).

Almost surely, 2^1134531240 is an apocalyptic number.

1134531240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1134531240 is an abundant number, since it is smaller than the sum of its proper divisors (2272177560).

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

1134531240 is a wasteful number, since it uses less digits than its factorization.

1134531240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8666 (or 8662 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1134531240 is about 33682.8033275142. The cubic root of 1134531240 is about 1042.9708079380.

Adding to 1134531240 its reverse (421354311), we get a palindrome (1555885551).

It can be divided in two parts, 1134531 and 240, that added together give a triangular number (1134771 = T₁₅₀₆).

The spelling of 1134531240 in words is "one billion, one hundred thirty-four million, five hundred thirty-one thousand, two hundred forty".