1147336009 has 4 divisors (see below), whose sum is σ = 1184346880. Its totient is φ = 1110325140.

The previous prime is 1147335989. The next prime is 1147336049. The reversal of 1147336009 is 9006337411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1147336009 - 2¹⁷ = 1147204937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1147336049) 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, 18505389 + ... + 18505450.

It is an arithmetic number, because the mean of its divisors is an integer number (296086720).

Almost surely, 2^1147336009 is an apocalyptic number.

It is an amenable number.

1147336009 is a deficient number, since it is larger than the sum of its proper divisors (37010871).

1147336009 is an equidigital number, since it uses as much as digits as its factorization.

1147336009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37010870.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 1147336009 is about 33872.3487375765. The cubic root of 1147336009 is about 1046.8799318743.

The spelling of 1147336009 in words is "one billion, one hundred forty-seven million, three hundred thirty-six thousand, nine".