1135344540 has 48 divisors (see below), whose sum is σ = 3467963520. Its totient is φ = 275234880.

The previous prime is 1135344533. The next prime is 1135344559. The reversal of 1135344540 is 454435311.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1135344498 and 1135344507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859450 + ... + 860769.

It is an arithmetic number, because the mean of its divisors is an integer number (72249240).

Almost surely, 2^1135344540 is an apocalyptic number.

1135344540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135344540 is an abundant number, since it is smaller than the sum of its proper divisors (2332618980).

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

1135344540 is a wasteful number, since it uses less digits than its factorization.

1135344540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720242 (or 1720240 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1135344540 is about 33694.8740908762. The cubic root of 1135344540 is about 1043.2199697407.

Adding to 1135344540 its reverse (454435311), we get a palindrome (1589779851).

The spelling of 1135344540 in words is "one billion, one hundred thirty-five million, three hundred forty-four thousand, five hundred forty".