137819446207 has 4 divisors (see below), whose sum is σ = 138133386160. Its totient is φ = 137505506256.

The previous prime is 137819446139. The next prime is 137819446211. The reversal of 137819446207 is 702644918731.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137819446207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137819446307) 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, 156969318 + ... + 156970195.

It is an arithmetic number, because the mean of its divisors is an integer number (34533346540).

Almost surely, 2^137819446207 is an apocalyptic number.

137819446207 is a deficient number, since it is larger than the sum of its proper divisors (313939953).

137819446207 is an equidigital number, since it uses as much as digits as its factorization.

137819446207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313939952.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 137819446207 in words is "one hundred thirty-seven billion, eight hundred nineteen million, four hundred forty-six thousand, two hundred seven".