139669782620051 has 4 divisors (see below), whose sum is σ = 147020823810600. Its totient is φ = 132318741429504.

The previous prime is 139669782620003. The next prime is 139669782620059. The reversal of 139669782620051 is 150026287966931.

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 139669782620051 - 2¹⁸ = 139669782357907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 139669782620051.

It is not an unprimeable number, because it can be changed into a prime (139669782620059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3675520595246 + ... + 3675520595283.

It is an arithmetic number, because the mean of its divisors is an integer number (36755205952650).

Almost surely, 2^{139669782620051} is an apocalyptic number.

139669782620051 is a deficient number, since it is larger than the sum of its proper divisors (7351041190549).

139669782620051 is an equidigital number, since it uses as much as digits as its factorization.

139669782620051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351041190548.

The product of its (nonzero) digits is 58786560, while the sum is 65.

The spelling of 139669782620051 in words is "one hundred thirty-nine trillion, six hundred sixty-nine billion, seven hundred eighty-two million, six hundred twenty thousand, fifty-one".