142889102133101 has 4 divisors (see below), whose sum is σ = 142890720426204. Its totient is φ = 142887483840000.

The previous prime is 142889102133047. The next prime is 142889102133131. The reversal of 142889102133101 is 101331201988241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30646731330601 + 112242370802500 = 5535949^2 + 10594450^2 .

It is a cyclic number.

It is not a de Polignac number, because 142889102133101 - 2²⁶ = 142889035024237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142889102133131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809014100 + ... + 809190701.

It is an arithmetic number, because the mean of its divisors is an integer number (35722680106551).

Almost surely, 2^{142889102133101} is an apocalyptic number.

It is an amenable number.

142889102133101 is a deficient number, since it is larger than the sum of its proper divisors (1618293103).

142889102133101 is an equidigital number, since it uses as much as digits as its factorization.

142889102133101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618293102.

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 142889102133101 in words is "one hundred forty-two trillion, eight hundred eighty-nine billion, one hundred two million, one hundred thirty-three thousand, one hundred one".