1131135413 has 8 divisors (see below), whose sum is σ = 1149284160. Its totient is φ = 1113127200.

The previous prime is 1131135407. The next prime is 1131135419. The reversal of 1131135413 is 3145311311.

It is an interprime number because it is at equal distance from previous prime (1131135407) and next prime (1131135419).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131135413 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 (1131135419) 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, 18848 + ... + 51161.

It is an arithmetic number, because the mean of its divisors is an integer number (143660520).

Almost surely, 2^1131135413 is an apocalyptic number.

It is an amenable number.

1131135413 is a deficient number, since it is larger than the sum of its proper divisors (18148747).

1131135413 is a wasteful number, since it uses less digits than its factorization.

1131135413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70267.

The product of its digits is 540, while the sum is 23.

The square root of 1131135413 is about 33632.3566376191. The cubic root of 1131135413 is about 1041.9291771572.

Adding to 1131135413 its reverse (3145311311), we get a palindrome (4276446724).

The spelling of 1131135413 in words is "one billion, one hundred thirty-one million, one hundred thirty-five thousand, four hundred thirteen".