1131841613 has 16 divisors (see below), whose sum is σ = 1337503104. Its totient is φ = 937616640.

The previous prime is 1131841597. The next prime is 1131841619. The reversal of 1131841613 is 3161481311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1131841613 - 2⁴ = 1131841597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131841619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12281 + ... + 49137.

It is an arithmetic number, because the mean of its divisors is an integer number (83593944).

Almost surely, 2^1131841613 is an apocalyptic number.

It is an amenable number.

1131841613 is a deficient number, since it is larger than the sum of its proper divisors (205661491).

1131841613 is a wasteful number, since it uses less digits than its factorization.

1131841613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37012.

The product of its digits is 1728, while the sum is 29.

The square root of 1131841613 is about 33642.8538177129. The cubic root of 1131841613 is about 1042.1459673842.

The spelling of 1131841613 in words is "one billion, one hundred thirty-one million, eight hundred forty-one thousand, six hundred thirteen".