142536433521 has 8 divisors (see below), whose sum is σ = 190052987904. Its totient is φ = 95022084080.

The previous prime is 142536433511. The next prime is 142536433537. The reversal of 142536433521 is 125334635241.

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

It is a cyclic number.

It is not a de Polignac number, because 142536433521 - 2¹⁰ = 142536432497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142536433521.

It is not an unprimeable number, because it can be changed into a prime (142536433511) 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, 393990 + ... + 663551.

It is an arithmetic number, because the mean of its divisors is an integer number (23756623488).

Almost surely, 2^142536433521 is an apocalyptic number.

It is an amenable number.

142536433521 is a deficient number, since it is larger than the sum of its proper divisors (47516554383).

142536433521 is a wasteful number, since it uses less digits than its factorization.

142536433521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102471.

The product of its digits is 259200, while the sum is 39.

The spelling of 142536433521 in words is "one hundred forty-two billion, five hundred thirty-six million, four hundred thirty-three thousand, five hundred twenty-one".