1913668142 has 8 divisors (see below), whose sum is σ = 2871019776. Its totient is φ = 956661552.

The previous prime is 1913668129. The next prime is 1913668151. The reversal of 1913668142 is 2418663191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1913668142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71918 + ... + 94865.

It is an arithmetic number, because the mean of its divisors is an integer number (358877472).

Almost surely, 2^1913668142 is an apocalyptic number.

1913668142 is a deficient number, since it is larger than the sum of its proper divisors (957351634).

1913668142 is a wasteful number, since it uses less digits than its factorization.

1913668142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172522.

The product of its digits is 62208, while the sum is 41.

The square root of 1913668142 is about 43745.4928192608. The cubic root of 1913668142 is about 1241.5252091471.

It can be divided in two parts, 19136 and 68142, that added together give a palindrome (87278).

The spelling of 1913668142 in words is "one billion, nine hundred thirteen million, six hundred sixty-eight thousand, one hundred forty-two".