1135691613 has 24 divisors (see below), whose sum is σ = 1985076288. Its totient is φ = 610791552.

The previous prime is 1135691611. The next prime is 1135691633. The reversal of 1135691613 is 3161965311.

1135691613 is a `hidden beast` number, since 1 + 1 + 35 + 6 + 9 + 1 + 613 = 666.

It is not a de Polignac number, because 1135691613 - 2¹ = 1135691611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135691611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 529131 + ... + 531272.

It is an arithmetic number, because the mean of its divisors is an integer number (82711512).

Almost surely, 2^1135691613 is an apocalyptic number.

It is an amenable number.

1135691613 is a deficient number, since it is larger than the sum of its proper divisors (849384675).

1135691613 is a wasteful number, since it uses less digits than its factorization.

1135691613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060433 (or 1060430 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 1135691613 is about 33700.0239317422. The cubic root of 1135691613 is about 1043.3262624660.

The spelling of 1135691613 in words is "one billion, one hundred thirty-five million, six hundred ninety-one thousand, six hundred thirteen".