1144713660 has 24 divisors (see below), whose sum is σ = 3205198416. Its totient is φ = 305256960.

The previous prime is 1144713643. The next prime is 1144713667. The reversal of 1144713660 is 663174411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144713667) 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, 9539221 + ... + 9539340.

It is an arithmetic number, because the mean of its divisors is an integer number (133549934).

Almost surely, 2^1144713660 is an apocalyptic number.

1144713660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144713660 is an abundant number, since it is smaller than the sum of its proper divisors (2060484756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144713660 is a wasteful number, since it uses less digits than its factorization.

1144713660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19078573 (or 19078571 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1144713660 is about 33833.6173058690. The cubic root of 1144713660 is about 1046.0817411903.

The spelling of 1144713660 in words is "one billion, one hundred forty-four million, seven hundred thirteen thousand, six hundred sixty".