1363923036 has 144 divisors (see below), whose sum is σ = 4170566400. Its totient is φ = 389597040.

The previous prime is 1363923031. The next prime is 1363923079. The reversal of 1363923036 is 6303293631.

1363923036 is a `hidden beast` number, since 13 + 639 + 2 + 3 + 0 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363923031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331351 + ... + 335441.

Almost surely, 2^1363923036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1363923036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2085283200).

1363923036 is an abundant number, since it is smaller than the sum of its proper divisors (2806643364).

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

1363923036 is an equidigital number, since it uses as much as digits as its factorization.

1363923036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4131 (or 4103 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 36.

The square root of 1363923036 is about 36931.3286519724. The cubic root of 1363923036 is about 1108.9959364483.

It can be divided in two parts, 136392303 and 6, that multiplied together give a palindrome (818353818).

The spelling of 1363923036 in words is "one billion, three hundred sixty-three million, nine hundred twenty-three thousand, thirty-six".