137830756205 has 8 divisors (see below), whose sum is σ = 165443743512. Its totient is φ = 110233380928.

The previous prime is 137830756177. The next prime is 137830756249. The reversal of 137830756205 is 502657038731.

It can be written as a sum of positive squares in 4 ways, for example, as 7476542089 + 130354214116 = 86467^2 + 361046^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137830756205 - 2³⁶ = 69111279469 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 137830756205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3883574 + ... + 3918903.

It is an arithmetic number, because the mean of its divisors is an integer number (20680467939).

Almost surely, 2^137830756205 is an apocalyptic number.

It is an amenable number.

137830756205 is a deficient number, since it is larger than the sum of its proper divisors (27612987307).

137830756205 is an equidigital number, since it uses as much as digits as its factorization.

137830756205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7806015.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 137830756205 in words is "one hundred thirty-seven billion, eight hundred thirty million, seven hundred fifty-six thousand, two hundred five".