142074131671 has 12 divisors (see below), whose sum is σ = 151935785856. Its totient is φ = 132392739200.

The previous prime is 142074131669. The next prime is 142074131677. The reversal of 142074131671 is 176131470241.

It is not a de Polignac number, because 142074131671 - 2¹ = 142074131669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142074131671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142074131677) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 236215 + ... + 583048.

It is an arithmetic number, because the mean of its divisors is an integer number (12661315488).

Almost surely, 2^142074131671 is an apocalyptic number.

142074131671 is a deficient number, since it is larger than the sum of its proper divisors (9861654185).

142074131671 is an equidigital number, since it uses as much as digits as its factorization.

142074131671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819482 (or 819381 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 142074131671 in words is "one hundred forty-two billion, seventy-four million, one hundred thirty-one thousand, six hundred seventy-one".