1144977713 has 8 divisors (see below), whose sum is σ = 1261434816. Its totient is φ = 1030582000.

The previous prime is 1144977707. The next prime is 1144977719. The reversal of 1144977713 is 3177794411.

It is an interprime number because it is at equal distance from previous prime (1144977707) and next prime (1144977719).

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

It is a cyclic number.

It is not a de Polignac number, because 1144977713 - 2¹⁴ = 1144961329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144977719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514181 + ... + 516402.

It is an arithmetic number, because the mean of its divisors is an integer number (157679352).

Almost surely, 2^1144977713 is an apocalyptic number.

It is an amenable number.

1144977713 is a deficient number, since it is larger than the sum of its proper divisors (116457103).

1144977713 is a wasteful number, since it uses less digits than its factorization.

1144977713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030695.

The product of its digits is 148176, while the sum is 44.

The square root of 1144977713 is about 33837.5193091929. The cubic root of 1144977713 is about 1046.1621688104.

The spelling of 1144977713 in words is "one billion, one hundred forty-four million, nine hundred seventy-seven thousand, seven hundred thirteen".