142438857133 has 16 divisors (see below), whose sum is σ = 150722726400. Its totient is φ = 134427997440.

The previous prime is 142438857079. The next prime is 142438857149. The reversal of 142438857133 is 331758834241.

It is a cyclic number.

It is not a de Polignac number, because 142438857133 - 2²¹ = 142436759981 is a prime.

It is a super-3 number, since 3×142438857133³ (a number of 34 digits) contains 333 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 (142438857163) 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, 152203 + ... + 555016.

It is an arithmetic number, because the mean of its divisors is an integer number (9420170400).

Almost surely, 2^142438857133 is an apocalyptic number.

It is an amenable number.

142438857133 is a deficient number, since it is larger than the sum of its proper divisors (8283869267).

142438857133 is an equidigital number, since it uses as much as digits as its factorization.

142438857133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707412.

The product of its digits is 1935360, while the sum is 49.

The spelling of 142438857133 in words is "one hundred forty-two billion, four hundred thirty-eight million, eight hundred fifty-seven thousand, one hundred thirty-three".