117738013 has 2 divisors, whose sum is σ = 117738014. Its totient is φ = 117738012.

The previous prime is 117738007. The next prime is 117738029. The reversal of 117738013 is 310837711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72216004 + 45522009 = 8498^2 + 6747^2 .

It is an emirp because it is prime and its reverse (310837711) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117738013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117738913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58869006 + 58869007.

It is an arithmetic number, because the mean of its divisors is an integer number (58869007).

Almost surely, 2^117738013 is an apocalyptic number.

It is an amenable number.

117738013 is a deficient number, since it is larger than the sum of its proper divisors (1).

117738013 is an equidigital number, since it uses as much as digits as its factorization.

117738013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 117738013 is about 10850.7148612430. The cubic root of 117738013 is about 490.1235465229.

The spelling of 117738013 in words is "one hundred seventeen million, seven hundred thirty-eight thousand, thirteen".