1065135556 has 12 divisors (see below), whose sum is σ = 1909450620. Its totient is φ = 519578240.

The previous prime is 1065135553. The next prime is 1065135593. The reversal of 1065135556 is 6555315601.

It can be written as a sum of positive squares in 2 ways, for example, as 336135556 + 729000000 = 18334^2 + 27000^2 .

It is a super-2 number, since 2×1065135556² = 2269027505310858272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065135551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3247201 + ... + 3247528.

It is an arithmetic number, because the mean of its divisors is an integer number (159120885).

Almost surely, 2^1065135556 is an apocalyptic number.

It is an amenable number.

1065135556 is a deficient number, since it is larger than the sum of its proper divisors (844315064).

1065135556 is a wasteful number, since it uses less digits than its factorization.

1065135556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494774 (or 6494772 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 37.

The square root of 1065135556 is about 32636.4145702312. The cubic root of 1065135556 is about 1021.2567988633.

The spelling of 1065135556 in words is "one billion, sixty-five million, one hundred thirty-five thousand, five hundred fifty-six".