142001421431 has 8 divisors (see below), whose sum is σ = 148324219680. Its totient is φ = 135773703072.

The previous prime is 142001421407. The next prime is 142001421451. The reversal of 142001421431 is 134124100241.

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 142001421431 - 2¹⁴ = 142001405047 is a prime.

It is a super-2 number, since 2×142001421431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142001421397 and 142001421406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001421451) 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, 23766920 + ... + 23772893.

It is an arithmetic number, because the mean of its divisors is an integer number (18540527460).

Almost surely, 2^142001421431 is an apocalyptic number.

142001421431 is a deficient number, since it is larger than the sum of its proper divisors (6322798249).

142001421431 is a wasteful number, since it uses less digits than its factorization.

142001421431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47539945.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 142001421431 its reverse (134124100241), we get a palindrome (276125521672).

The spelling of 142001421431 in words is "one hundred forty-two billion, one million, four hundred twenty-one thousand, four hundred thirty-one".