14572020139 has 4 divisors (see below), whose sum is σ = 15205586256. Its totient is φ = 13938454024.

The previous prime is 14572020121. The next prime is 14572020143. The reversal of 14572020139 is 93102027541.

It is a happy number.

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 14572020139 - 2¹¹ = 14572018091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14572020149) 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, 316783024 + ... + 316783069.

It is an arithmetic number, because the mean of its divisors is an integer number (3801396564).

Almost surely, 2^14572020139 is an apocalyptic number.

14572020139 is a deficient number, since it is larger than the sum of its proper divisors (633566117).

14572020139 is an equidigital number, since it uses as much as digits as its factorization.

14572020139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633566116.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 14572020139 in words is "fourteen billion, five hundred seventy-two million, twenty thousand, one hundred thirty-nine".