1768131242 has 8 divisors (see below), whose sum is σ = 2661636132. Its totient is φ = 880919200.

The previous prime is 1768131199. The next prime is 1768131271. The reversal of 1768131242 is 2421318671.

It can be written as a sum of positive squares in 2 ways, for example, as 1720507441 + 47623801 = 41479^2 + 6901^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1572509 + ... + 1573632.

Almost surely, 2^1768131242 is an apocalyptic number.

1768131242 is a deficient number, since it is larger than the sum of its proper divisors (893504890).

1768131242 is a wasteful number, since it uses less digits than its factorization.

1768131242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146424.

The product of its digits is 16128, while the sum is 35.

The square root of 1768131242 is about 42049.1526906310. The cubic root of 1768131242 is about 1209.2186385877.

The spelling of 1768131242 in words is "one billion, seven hundred sixty-eight million, one hundred thirty-one thousand, two hundred forty-two".