1358609372836 has 27 divisors (see below), whose sum is σ = 2485531400331. Its totient is φ = 649744056984.

The previous prime is 1358609372833. The next prime is 1358609372863. The reversal of 1358609372836 is 6382739068531.

The square root of 1358609372836 is 1165594.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1358609372833) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 53604655 + ... + 53629993.

Almost surely, 2^{1358609372836} is an apocalyptic number.

1358609372836 is the 1165594-th square number.

It is an amenable number.

1358609372836 is a deficient number, since it is larger than the sum of its proper divisors (1126922027495).

1358609372836 is an frugal number, since it uses more digits than its factorization.

1358609372836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50728 (or 25364 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 1358609372836 in words is "one trillion, three hundred fifty-eight billion, six hundred nine million, three hundred seventy-two thousand, eight hundred thirty-six".