1363125899 has 4 divisors (see below), whose sum is σ = 1363483536. Its totient is φ = 1362768264.

The previous prime is 1363125877. The next prime is 1363125901. The reversal of 1363125899 is 9985213631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1363125899 - 2¹² = 1363121803 is a prime.

It is a super-2 number, since 2×1363125899² = 3716224433049116402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1363125809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173039 + ... + 180744.

It is an arithmetic number, because the mean of its divisors is an integer number (340870884).

Almost surely, 2^1363125899 is an apocalyptic number.

1363125899 is a deficient number, since it is larger than the sum of its proper divisors (357637).

1363125899 is an equidigital number, since it uses as much as digits as its factorization.

1363125899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357636.

The product of its digits is 349920, while the sum is 47.

The square root of 1363125899 is about 36920.5349229937. The cubic root of 1363125899 is about 1108.7798455725.

The spelling of 1363125899 in words is "one billion, three hundred sixty-three million, one hundred twenty-five thousand, eight hundred ninety-nine".