13745000149 has 2 divisors, whose sum is σ = 13745000150. Its totient is φ = 13745000148.

The previous prime is 13745000099. The next prime is 13745000173. The reversal of 13745000149 is 94100054731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8569204900 + 5175795249 = 92570^2 + 71943^2 .

It is an emirp because it is prime and its reverse (94100054731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13745000149 - 2²¹ = 13742902997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13745000189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6872500074 + 6872500075.

It is an arithmetic number, because the mean of its divisors is an integer number (6872500075).

Almost surely, 2^13745000149 is an apocalyptic number.

It is an amenable number.

13745000149 is a deficient number, since it is larger than the sum of its proper divisors (1).

13745000149 is an equidigital number, since it uses as much as digits as its factorization.

13745000149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 13745000149 in words is "thirteen billion, seven hundred forty-five million, one hundred forty-nine", and thus it is an aban number.