142267006405 has 8 divisors (see below), whose sum is σ = 170785262232. Its totient is φ = 113770368768.

The previous prime is 142267006403. The next prime is 142267006421. The reversal of 142267006405 is 504600762241.

It can be written as a sum of positive squares in 4 ways, for example, as 4193080516 + 138073925889 = 64754^2 + 371583^2 .

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 142267006405 - 2¹ = 142267006403 is a prime.

It is a super-2 number, since 2×142267006405² (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 (142267006403) 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, 5390064 + ... + 5416393.

It is an arithmetic number, because the mean of its divisors is an integer number (21348157779).

Almost surely, 2^142267006405 is an apocalyptic number.

It is an amenable number.

142267006405 is a deficient number, since it is larger than the sum of its proper divisors (28518255827).

142267006405 is a wasteful number, since it uses less digits than its factorization.

142267006405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10809095.

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 142267006405 its reverse (504600762241), we get a palindrome (646867768646).

The spelling of 142267006405 in words is "one hundred forty-two billion, two hundred sixty-seven million, six thousand, four hundred five".