142532133681 has 8 divisors (see below), whose sum is σ = 217191822784. Its totient is φ = 81446933520.

The previous prime is 142532133659. The next prime is 142532133691. The reversal of 142532133681 is 186331235241.

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

It is not a de Polignac number, because 142532133681 - 2¹¹ = 142532131633 is a prime.

It is a super-2 number, since 2×142532133681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142532133631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3393622210 + ... + 3393622251.

It is an arithmetic number, because the mean of its divisors is an integer number (27148977848).

Almost surely, 2^142532133681 is an apocalyptic number.

It is an amenable number.

142532133681 is a deficient number, since it is larger than the sum of its proper divisors (74659689103).

142532133681 is an equidigital number, since it uses as much as digits as its factorization.

142532133681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787244471.

The product of its digits is 103680, while the sum is 39.

The spelling of 142532133681 in words is "one hundred forty-two billion, five hundred thirty-two million, one hundred thirty-three thousand, six hundred eighty-one".