137718070447 has 4 divisors (see below), whose sum is σ = 138370762936. Its totient is φ = 137065377960.

The previous prime is 137718070429. The next prime is 137718070453. The reversal of 137718070447 is 744070817731.

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 137718070447 - 2⁷ = 137718070319 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 137718070447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137718073447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326345928 + ... + 326346349.

It is an arithmetic number, because the mean of its divisors is an integer number (34592690734).

Almost surely, 2^137718070447 is an apocalyptic number.

137718070447 is a deficient number, since it is larger than the sum of its proper divisors (652692489).

137718070447 is an equidigital number, since it uses as much as digits as its factorization.

137718070447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652692488.

The product of its (nonzero) digits is 921984, while the sum is 49.

The spelling of 137718070447 in words is "one hundred thirty-seven billion, seven hundred eighteen million, seventy thousand, four hundred forty-seven".