1363888072 has 8 divisors (see below), whose sum is σ = 2557290150. Its totient is φ = 681944032.

The previous prime is 1363888069. The next prime is 1363888079. The reversal of 1363888072 is 2708883631.

It can be written as a sum of positive squares in only one way, i.e., 1268356996 + 95531076 = 35614^2 + 9774^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1363888079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85242997 + ... + 85243012.

Almost surely, 2^1363888072 is an apocalyptic number.

It is an amenable number.

1363888072 is a deficient number, since it is larger than the sum of its proper divisors (1193402078).

1363888072 is a wasteful number, since it uses less digits than its factorization.

1363888072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170486015 (or 170486011 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 1363888072 is about 36930.8552838951. The cubic root of 1363888072 is about 1108.9864600424.

The spelling of 1363888072 in words is "one billion, three hundred sixty-three million, eight hundred eighty-eight thousand, seventy-two".