1135642013 has 8 divisors (see below), whose sum is σ = 1248340896. Its totient is φ = 1024519600.

The previous prime is 1135641967. The next prime is 1135642021. The reversal of 1135642013 is 3102465311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1135642013 - 2⁸ = 1135641757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135632013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392606 + ... + 395487.

It is an arithmetic number, because the mean of its divisors is an integer number (156042612).

Almost surely, 2^1135642013 is an apocalyptic number.

It is an amenable number.

1135642013 is a deficient number, since it is larger than the sum of its proper divisors (112698883).

1135642013 is a wasteful number, since it uses less digits than its factorization.

1135642013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788235.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1135642013 is about 33699.2880191852. The cubic root of 1135642013 is about 1043.3110735610.

The spelling of 1135642013 in words is "one billion, one hundred thirty-five million, six hundred forty-two thousand, thirteen".