142133889471 has 32 divisors (see below), whose sum is σ = 221932075008. Its totient is φ = 79215356160.

The previous prime is 142133889467. The next prime is 142133889473. The reversal of 142133889471 is 174988331241.

It is not a de Polignac number, because 142133889471 - 2² = 142133889467 is a prime.

It is a super-3 number, since 3×142133889471³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142133889473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3186801 + ... + 3231093.

It is an arithmetic number, because the mean of its divisors is an integer number (6935377344).

Almost surely, 2^142133889471 is an apocalyptic number.

142133889471 is a deficient number, since it is larger than the sum of its proper divisors (79798185537).

142133889471 is a wasteful number, since it uses less digits than its factorization.

142133889471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48071.

The product of its digits is 1161216, while the sum is 51.

The spelling of 142133889471 in words is "one hundred forty-two billion, one hundred thirty-three million, eight hundred eighty-nine thousand, four hundred seventy-one".