141988117 has 2 divisors, whose sum is σ = 141988118. Its totient is φ = 141988116.

The previous prime is 141988111. The next prime is 141988151. The reversal of 141988117 is 711889141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127441521 + 14546596 = 11289^2 + 3814^2 .

It is an emirp because it is prime and its reverse (711889141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141988117 - 2³ = 141988109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141988117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141988111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70994058 + 70994059.

It is an arithmetic number, because the mean of its divisors is an integer number (70994059).

Almost surely, 2^141988117 is an apocalyptic number.

It is an amenable number.

141988117 is a deficient number, since it is larger than the sum of its proper divisors (1).

141988117 is an equidigital number, since it uses as much as digits as its factorization.

141988117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 40.

The square root of 141988117 is about 11915.8766777774. The cubic root of 141988117 is about 521.6957914423.

The spelling of 141988117 in words is "one hundred forty-one million, nine hundred eighty-eight thousand, one hundred seventeen".