1065135603 has 32 divisors (see below), whose sum is σ = 1679687680. Its totient is φ = 587515680.

The previous prime is 1065135593. The next prime is 1065135619. The reversal of 1065135603 is 3065315601.

It is not a de Polignac number, because 1065135603 - 2⁸ = 1065135347 is a prime.

It is a super-2 number, since 2×1065135603² = 2269027705556347218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065135623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283926 + ... + 287652.

It is an arithmetic number, because the mean of its divisors is an integer number (52490240).

Almost surely, 2^1065135603 is an apocalyptic number.

1065135603 is a deficient number, since it is larger than the sum of its proper divisors (614552077).

1065135603 is a wasteful number, since it uses less digits than its factorization.

1065135603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 1065135603 is about 32636.4152902858. The cubic root of 1065135603 is about 1021.2568138846.

The spelling of 1065135603 in words is "one billion, sixty-five million, one hundred thirty-five thousand, six hundred three".