38127149 has 4 divisors (see below), whose sum is σ = 38155260. Its totient is φ = 38099040.

The previous prime is 38127143. The next prime is 38127191. The reversal of 38127149 is 94172183.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 697225 + 37429924 = 835^2 + 6118^2 .

It is a cyclic number.

It is not a de Polignac number, because 38127149 - 2¹⁶ = 38061613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38127143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11912 + ... + 14769.

It is an arithmetic number, because the mean of its divisors is an integer number (9538815).

Almost surely, 2^38127149 is an apocalyptic number.

It is an amenable number.

38127149 is a deficient number, since it is larger than the sum of its proper divisors (28111).

38127149 is a wasteful number, since it uses less digits than its factorization.

38127149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28110.

The product of its digits is 12096, while the sum is 35.

The square root of 38127149 is about 6174.7185360954. The cubic root of 38127149 is about 336.5720985027.

The spelling of 38127149 in words is "thirty-eight million, one hundred twenty-seven thousand, one hundred forty-nine".