142813327 has 4 divisors (see below), whose sum is σ = 142847280. Its totient is φ = 142779376.

The previous prime is 142813289. The next prime is 142813337. The reversal of 142813327 is 723318241.

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

It is a cyclic number.

It is not a de Polignac number, because 142813327 - 2¹⁵ = 142780559 is a prime.

It is a super-3 number, since 3×142813327³ (a number of 25 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 (142813337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9598 + ... + 19435.

It is an arithmetic number, because the mean of its divisors is an integer number (35711820).

Almost surely, 2^142813327 is an apocalyptic number.

142813327 is a deficient number, since it is larger than the sum of its proper divisors (33953).

142813327 is an equidigital number, since it uses as much as digits as its factorization.

142813327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33952.

The product of its digits is 8064, while the sum is 31.

The square root of 142813327 is about 11950.4530039660. The cubic root of 142813327 is about 522.7045079043.

The spelling of 142813327 in words is "one hundred forty-two million, eight hundred thirteen thousand, three hundred twenty-seven".