1431239074 has 8 divisors (see below), whose sum is σ = 2168991468. Its totient is φ = 708241920.

The previous prime is 1431239057. The next prime is 1431239113. The reversal of 1431239074 is 4709321341.

It can be written as a sum of positive squares in 2 ways, for example, as 1409476849 + 21762225 = 37543^2 + 4665^2 .

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

It is an unprimeable number.

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, 3688567 + ... + 3688954.

Almost surely, 2^1431239074 is an apocalyptic number.

1431239074 is a deficient number, since it is larger than the sum of its proper divisors (737752394).

1431239074 is an equidigital number, since it uses as much as digits as its factorization.

1431239074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7377620.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 1431239074 is about 37831.7204736977. The cubic root of 1431239074 is about 1126.9484782058.

The spelling of 1431239074 in words is "one billion, four hundred thirty-one million, two hundred thirty-nine thousand, seventy-four".