142671908529 has 12 divisors (see below), whose sum is σ = 206203393396. Its totient is φ = 95058414432.

The previous prime is 142671908521. The next prime is 142671908537. The reversal of 142671908529 is 925809176241.

It is a happy number.

142671908529 is a `hidden beast` number, since 1 + 4 + 26 + 7 + 1 + 90 + 8 + 529 = 666.

142671908529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142671908521) and next prime (142671908537).

It can be written as a sum of positive squares in 2 ways, for example, as 77700447504 + 64971461025 = 278748^2 + 254895^2 .

It is not a de Polignac number, because 142671908529 - 2³ = 142671908521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142671908521) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 4666522 + ... + 4696995.

Almost surely, 2^142671908529 is an apocalyptic number.

It is an amenable number.

142671908529 is a deficient number, since it is larger than the sum of its proper divisors (63531484867).

142671908529 is a wasteful number, since it uses less digits than its factorization.

142671908529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9365216 (or 9365213 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 142671908529 in words is "one hundred forty-two billion, six hundred seventy-one million, nine hundred eight thousand, five hundred twenty-nine".