38149141 has 2 divisors, whose sum is σ = 38149142. Its totient is φ = 38149140.

The previous prime is 38149129. The next prime is 38149151. The reversal of 38149141 is 14194183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22515025 + 15634116 = 4745^2 + 3954^2 .

It is an emirp because it is prime and its reverse (14194183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38149141 - 2¹⁵ = 38116373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38149151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19074570 + 19074571.

It is an arithmetic number, because the mean of its divisors is an integer number (19074571).

Almost surely, 2^38149141 is an apocalyptic number.

It is an amenable number.

38149141 is a deficient number, since it is larger than the sum of its proper divisors (1).

38149141 is an equidigital number, since it uses as much as digits as its factorization.

38149141 is an evil number, because the sum of its binary digits is even.

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

The square root of 38149141 is about 6176.4990892900. The cubic root of 38149141 is about 336.6367984264.

The spelling of 38149141 in words is "thirty-eight million, one hundred forty-nine thousand, one hundred forty-one".