1368380453 has 16 divisors (see below), whose sum is σ = 1537728192. Its totient is φ = 1206864000.

The previous prime is 1368380449. The next prime is 1368380479. The reversal of 1368380453 is 3540838631.

It is a cyclic number.

It is not a de Polignac number, because 1368380453 - 2² = 1368380449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 1368380453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368380053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73250 + ... + 90012.

It is an arithmetic number, because the mean of its divisors is an integer number (96108012).

Almost surely, 2^1368380453 is an apocalyptic number.

It is an amenable number.

1368380453 is a deficient number, since it is larger than the sum of its proper divisors (169347739).

1368380453 is a wasteful number, since it uses less digits than its factorization.

1368380453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16996.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 1368380453 is about 36991.6267958034. The cubic root of 1368380453 is about 1110.2027205971.

The spelling of 1368380453 in words is "one billion, three hundred sixty-eight million, three hundred eighty thousand, four hundred fifty-three".