13980149 has 2 divisors, whose sum is σ = 13980150. Its totient is φ = 13980148.

The previous prime is 13980107. The next prime is 13980151. The reversal of 13980149 is 94108931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7879249 + 6100900 = 2807^2 + 2470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13980149 is a prime.

Together with 13980151, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13980179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6990074 + 6990075.

It is an arithmetic number, because the mean of its divisors is an integer number (6990075).

Almost surely, 2^13980149 is an apocalyptic number.

It is an amenable number.

13980149 is a deficient number, since it is larger than the sum of its proper divisors (1).

13980149 is an equidigital number, since it uses as much as digits as its factorization.

13980149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 13980149 is about 3739.0037443148. The cubic root of 13980149 is about 240.9002588820.

The spelling of 13980149 in words is "thirteen million, nine hundred eighty thousand, one hundred forty-nine".