1912263142 has 4 divisors (see below), whose sum is σ = 2868394716. Its totient is φ = 956131570.

The previous prime is 1912263131. The next prime is 1912263163. The reversal of 1912263142 is 2413622191.

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, 478065784 + ... + 478065787.

It is an arithmetic number, because the mean of its divisors is an integer number (717098679).

Almost surely, 2^1912263142 is an apocalyptic number.

1912263142 is a deficient number, since it is larger than the sum of its proper divisors (956131574).

1912263142 is an equidigital number, since it uses as much as digits as its factorization.

1912263142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956131573.

The product of its digits is 5184, while the sum is 31.

The square root of 1912263142 is about 43729.4310733629. The cubic root of 1912263142 is about 1241.2212954314.

The spelling of 1912263142 in words is "one billion, nine hundred twelve million, two hundred sixty-three thousand, one hundred forty-two".