1358686852 has 12 divisors (see below), whose sum is σ = 2517566940. Its totient is φ = 639382016.

The previous prime is 1358686831. The next prime is 1358686891. The reversal of 1358686852 is 2586868531.

It can be written as a sum of positive squares in 2 ways, for example, as 762643456 + 596043396 = 27616^2 + 24414^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1358686852.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9990277 + ... + 9990412.

It is an arithmetic number, because the mean of its divisors is an integer number (209797245).

Almost surely, 2^1358686852 is an apocalyptic number.

It is an amenable number.

1358686852 is a deficient number, since it is larger than the sum of its proper divisors (1158880088).

1358686852 is a wasteful number, since it uses less digits than its factorization.

1358686852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19980710 (or 19980708 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 52.

The square root of 1358686852 is about 36860.3696671642. The cubic root of 1358686852 is about 1107.5749487195.

It can be divided in two parts, 1 and 358686852, that added together give a palindrome (358686853).

The spelling of 1358686852 in words is "one billion, three hundred fifty-eight million, six hundred eighty-six thousand, eight hundred fifty-two".