100694149 has 2 divisors, whose sum is σ = 100694150. Its totient is φ = 100694148.

The previous prime is 100694093. The next prime is 100694159. The reversal of 100694149 is 941496001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61230625 + 39463524 = 7825^2 + 6282^2 .

It is an emirp because it is prime and its reverse (941496001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100694149 - 2¹¹ = 100692101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100694159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50347074 + 50347075.

It is an arithmetic number, because the mean of its divisors is an integer number (50347075).

Almost surely, 2^100694149 is an apocalyptic number.

It is an amenable number.

100694149 is a deficient number, since it is larger than the sum of its proper divisors (1).

100694149 is an equidigital number, since it uses as much as digits as its factorization.

100694149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 100694149 is about 10034.6474277874. The cubic root of 100694149 is about 465.2303926313.

The spelling of 100694149 in words is "one hundred million, six hundred ninety-four thousand, one hundred forty-nine".