1149309607 has 4 divisors (see below), whose sum is σ = 1152391240. Its totient is φ = 1146227976.

The previous prime is 1149309587. The next prime is 1149309619. The reversal of 1149309607 is 7069039411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7069039411 = 7 ⋅1009862773.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1149309607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1149309607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149309647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540257 + ... + 1541002.

It is an arithmetic number, because the mean of its divisors is an integer number (288097810).

Almost surely, 2^1149309607 is an apocalyptic number.

1149309607 is a deficient number, since it is larger than the sum of its proper divisors (3081633).

1149309607 is an equidigital number, since it uses as much as digits as its factorization.

1149309607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3081632.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 1149309607 is about 33901.4690979609. The cubic root of 1149309607 is about 1047.4798539462.

The spelling of 1149309607 in words is "one billion, one hundred forty-nine million, three hundred nine thousand, six hundred seven".