139684456214 has 4 divisors (see below), whose sum is σ = 209526684324. Its totient is φ = 69842228106.

The previous prime is 139684456151. The next prime is 139684456279. The reversal of 139684456214 is 412654486931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412654486931 = 67 ⋅6159022193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34921114052 + ... + 34921114055.

It is an arithmetic number, because the mean of its divisors is an integer number (52381671081).

Almost surely, 2^139684456214 is an apocalyptic number.

139684456214 is a deficient number, since it is larger than the sum of its proper divisors (69842228110).

139684456214 is an equidigital number, since it uses as much as digits as its factorization.

139684456214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69842228109.

The product of its digits is 4976640, while the sum is 53.

The spelling of 139684456214 in words is "one hundred thirty-nine billion, six hundred eighty-four million, four hundred fifty-six thousand, two hundred fourteen".