1131504434 has 4 divisors (see below), whose sum is σ = 1697256654. Its totient is φ = 565752216.

The previous prime is 1131504391. The next prime is 1131504463. The reversal of 1131504434 is 4344051311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1121245225 + 10259209 = 33485^2 + 3203^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282876107 + ... + 282876110.

Almost surely, 2^1131504434 is an apocalyptic number.

1131504434 is a deficient number, since it is larger than the sum of its proper divisors (565752220).

1131504434 is an equidigital number, since it uses as much as digits as its factorization.

1131504434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565752219.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1131504434 is about 33637.8422910864. The cubic root of 1131504434 is about 1042.0424709732.

Adding to 1131504434 its reverse (4344051311), we get a palindrome (5475555745).

The spelling of 1131504434 in words is "one billion, one hundred thirty-one million, five hundred four thousand, four hundred thirty-four".