116638141 has 2 divisors, whose sum is σ = 116638142. Its totient is φ = 116638140.

The previous prime is 116638121. The next prime is 116638177. The reversal of 116638141 is 141836611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76632516 + 40005625 = 8754^2 + 6325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116638141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116638121) 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, 58319070 + 58319071.

It is an arithmetic number, because the mean of its divisors is an integer number (58319071).

Almost surely, 2^116638141 is an apocalyptic number.

It is an amenable number.

116638141 is a deficient number, since it is larger than the sum of its proper divisors (1).

116638141 is an equidigital number, since it uses as much as digits as its factorization.

116638141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 116638141 is about 10799.9139348423. The cubic root of 116638141 is about 488.5925752416.

The spelling of 116638141 in words is "one hundred sixteen million, six hundred thirty-eight thousand, one hundred forty-one".