142254390136321 has 8 divisors (see below), whose sum is σ = 142455435071040. Its totient is φ = 142053420185712.

The previous prime is 142254390136319. The next prime is 142254390136399. The reversal of 142254390136321 is 123631093452241.

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 142254390136321 - 2¹ = 142254390136319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142254390136721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14948550 + ... + 22538143.

It is an arithmetic number, because the mean of its divisors is an integer number (17806929383880).

Almost surely, 2^{142254390136321} is an apocalyptic number.

It is an amenable number.

142254390136321 is a deficient number, since it is larger than the sum of its proper divisors (201044934719).

142254390136321 is an equidigital number, since it uses as much as digits as its factorization.

142254390136321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37492055.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 142254390136321 in words is "one hundred forty-two trillion, two hundred fifty-four billion, three hundred ninety million, one hundred thirty-six thousand, three hundred twenty-one".