1135436061 has 12 divisors (see below), whose sum is σ = 1540023392. Its totient is φ = 744120744.

The previous prime is 1135436059. The next prime is 1135436063. The reversal of 1135436061 is 1606345311.

It is an interprime number because it is at equal distance from previous prime (1135436059) and next prime (1135436063).

It is not a de Polignac number, because 1135436061 - 2¹ = 1135436059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135436063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43921 + ... + 64806.

Almost surely, 2^1135436061 is an apocalyptic number.

It is an amenable number.

1135436061 is a deficient number, since it is larger than the sum of its proper divisors (404587331).

1135436061 is an equidigital number, since it uses as much as digits as its factorization.

1135436061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108848 (or 108789 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1135436061 is about 33696.2321484168. The cubic root of 1135436061 is about 1043.2480005766.

The spelling of 1135436061 in words is "one billion, one hundred thirty-five million, four hundred thirty-six thousand, sixty-one".