1431142142 has 8 divisors (see below), whose sum is σ = 2147101776. Its totient is φ = 715441552.

The previous prime is 1431142123. The next prime is 1431142189. The reversal of 1431142142 is 2412411341.

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

It is a congruent number.

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, 50303 + ... + 73434.

It is an arithmetic number, because the mean of its divisors is an integer number (268387722).

Almost surely, 2^1431142142 is an apocalyptic number.

1431142142 is a deficient number, since it is larger than the sum of its proper divisors (715959634).

1431142142 is a wasteful number, since it uses less digits than its factorization.

1431142142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129522.

The product of its digits is 768, while the sum is 23.

The square root of 1431142142 is about 37830.4393577447. The cubic root of 1431142142 is about 1126.9230364195.

Adding to 1431142142 its reverse (2412411341), we get a palindrome (3843553483).

The spelling of 1431142142 in words is "one billion, four hundred thirty-one million, one hundred forty-two thousand, one hundred forty-two".