1364783652 has 18 divisors (see below), whose sum is σ = 3449869878. Its totient is φ = 454927872.

The previous prime is 1364783633. The next prime is 1364783653. The reversal of 1364783652 is 2563874631.

It can be written as a sum of positive squares in only one way, i.e., 1277061696 + 87721956 = 35736^2 + 9366^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 1364783598 and 1364783607.

It is not an unprimeable number, because it can be changed into a prime (1364783653) 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 5 ways as a sum of consecutive naturals, for example, 18955293 + ... + 18955364.

Almost surely, 2^1364783652 is an apocalyptic number.

1364783652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1364783652 is an abundant number, since it is smaller than the sum of its proper divisors (2085086226).

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

1364783652 is a wasteful number, since it uses less digits than its factorization.

1364783652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37910667 (or 37910662 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 1364783652 is about 36942.9783856148. The cubic root of 1364783652 is about 1109.2291409499.

The spelling of 1364783652 in words is "one billion, three hundred sixty-four million, seven hundred eighty-three thousand, six hundred fifty-two".