1134020540 has 24 divisors (see below), whose sum is σ = 2402522640. Its totient is φ = 449593088.

The previous prime is 1134020539. The next prime is 1134020609. The reversal of 1134020540 is 450204311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248630 + ... + 253149.

It is an arithmetic number, because the mean of its divisors is an integer number (100105110).

Almost surely, 2^1134020540 is an apocalyptic number.

1134020540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1134020540 is an abundant number, since it is smaller than the sum of its proper divisors (1268502100).

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

1134020540 is a wasteful number, since it uses less digits than its factorization.

1134020540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501901 (or 501899 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1134020540 is about 33675.2214543572. The cubic root of 1134020540 is about 1042.8142895115.

Adding to 1134020540 its reverse (450204311), we get a palindrome (1584224851).

The spelling of 1134020540 in words is "one billion, one hundred thirty-four million, twenty thousand, five hundred forty".