1383863815142 has 4 divisors (see below), whose sum is σ = 2075795722716. Its totient is φ = 691931907570.

The previous prime is 1383863815051. The next prime is 1383863815181. The reversal of 1383863815142 is 2415183683831.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345965953784 + ... + 345965953787.

It is an arithmetic number, because the mean of its divisors is an integer number (518948930679).

Almost surely, 2^{1383863815142} is an apocalyptic number.

1383863815142 is a deficient number, since it is larger than the sum of its proper divisors (691931907574).

1383863815142 is an equidigital number, since it uses as much as digits as its factorization.

1383863815142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691931907573.

The product of its digits is 3317760, while the sum is 53.

The spelling of 1383863815142 in words is "one trillion, three hundred eighty-three billion, eight hundred sixty-three million, eight hundred fifteen thousand, one hundred forty-two".