1144677013 has 4 divisors (see below), whose sum is σ = 1145473920. Its totient is φ = 1143880108.

The previous prime is 1144676993. The next prime is 1144677019. The reversal of 1144677013 is 3107764411.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3107764411 = 17359 ⋅179029.

It is a cyclic number.

It is not a de Polignac number, because 1144677013 - 2⁹ = 1144676501 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 1144677013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144677019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396295 + ... + 399172.

It is an arithmetic number, because the mean of its divisors is an integer number (286368480).

Almost surely, 2^1144677013 is an apocalyptic number.

It is an amenable number.

1144677013 is a deficient number, since it is larger than the sum of its proper divisors (796907).

1144677013 is an equidigital number, since it uses as much as digits as its factorization.

1144677013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796906.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1144677013 is about 33833.0757247992. The cubic root of 1144677013 is about 1046.0705779425.

The spelling of 1144677013 in words is "one billion, one hundred forty-four million, six hundred seventy-seven thousand, thirteen".