139983352647 has 4 divisors (see below), whose sum is σ = 186644470200. Its totient is φ = 93322235096.

The previous prime is 139983352567. The next prime is 139983352681. The reversal of 139983352647 is 746253389931.

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 139983352647 - 2⁷ = 139983352519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139983352687) 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, 23330558772 + ... + 23330558777.

It is an arithmetic number, because the mean of its divisors is an integer number (46661117550).

Almost surely, 2^139983352647 is an apocalyptic number.

139983352647 is a deficient number, since it is larger than the sum of its proper divisors (46661117553).

139983352647 is an equidigital number, since it uses as much as digits as its factorization.

139983352647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46661117552.

The product of its digits is 29393280, while the sum is 60.

The spelling of 139983352647 in words is "one hundred thirty-nine billion, nine hundred eighty-three million, three hundred fifty-two thousand, six hundred forty-seven".