117154013 has 2 divisors, whose sum is σ = 117154014. Its totient is φ = 117154012.

The previous prime is 117154003. The next prime is 117154027. The reversal of 117154013 is 310451711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89832484 + 27321529 = 9478^2 + 5227^2 .

It is a cyclic number.

It is not a de Polignac number, because 117154013 - 2¹² = 117149917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117154013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117154003) 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 as a sum of consecutive naturals, namely, 58577006 + 58577007.

It is an arithmetic number, because the mean of its divisors is an integer number (58577007).

Almost surely, 2^117154013 is an apocalyptic number.

It is an amenable number.

117154013 is a deficient number, since it is larger than the sum of its proper divisors (1).

117154013 is an equidigital number, since it uses as much as digits as its factorization.

117154013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 117154013 is about 10823.7707385181. The cubic root of 117154013 is about 489.3118383774.

The spelling of 117154013 in words is "one hundred seventeen million, one hundred fifty-four thousand, thirteen".