142631027869 has 16 divisors (see below), whose sum is σ = 160638418944. Its totient is φ = 125464921200.

The previous prime is 142631027843. The next prime is 142631027873. The reversal of 142631027869 is 968720136241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 142631027869 - 2¹¹ = 142631025821 is a prime.

It is a super-2 number, since 2×142631027869² (a number of 23 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 (142631027809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2971192 + ... + 3018814.

It is an arithmetic number, because the mean of its divisors is an integer number (10039901184).

Almost surely, 2^142631027869 is an apocalyptic number.

It is an amenable number.

142631027869 is a deficient number, since it is larger than the sum of its proper divisors (18007391075).

142631027869 is a wasteful number, since it uses less digits than its factorization.

142631027869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56448.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 142631027869 in words is "one hundred forty-two billion, six hundred thirty-one million, twenty-seven thousand, eight hundred sixty-nine".