142532635641631 has 8 divisors (see below), whose sum is σ = 150034518172800. Its totient is φ = 135030769597080.

The previous prime is 142532635641607. The next prime is 142532635641647. The reversal of 142532635641631 is 136146536235241.

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 142532635641631 - 2⁹ = 142532635641119 is a prime.

It is a super-2 number, since 2×142532635641631² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142532635641661) 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, 16190940 + ... + 23392558.

It is an arithmetic number, because the mean of its divisors is an integer number (18754314771600).

Almost surely, 2^{142532635641631} is an apocalyptic number.

142532635641631 is a deficient number, since it is larger than the sum of its proper divisors (7501882531169).

142532635641631 is a wasteful number, since it uses less digits than its factorization.

142532635641631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243309.

The product of its digits is 9331200, while the sum is 52.

The spelling of 142532635641631 in words is "one hundred forty-two trillion, five hundred thirty-two billion, six hundred thirty-five million, six hundred forty-one thousand, six hundred thirty-one".