1131533746 has 8 divisors (see below), whose sum is σ = 1939772160. Its totient is φ = 484943028.

The previous prime is 1131533743. The next prime is 1131533773. The reversal of 1131533746 is 6473351311.

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

It is not an unprimeable number, because it can be changed into a prime (1131533743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40411906 + ... + 40411933.

It is an arithmetic number, because the mean of its divisors is an integer number (242471520).

Almost surely, 2^1131533746 is an apocalyptic number.

1131533746 is a deficient number, since it is larger than the sum of its proper divisors (808238414).

1131533746 is an equidigital number, since it uses as much as digits as its factorization.

1131533746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80823848.

The product of its digits is 22680, while the sum is 34.

The square root of 1131533746 is about 33638.2779880302. The cubic root of 1131533746 is about 1042.0514690482.

The spelling of 1131533746 in words is "one billion, one hundred thirty-one million, five hundred thirty-three thousand, seven hundred forty-six".