38371139 has 4 divisors (see below), whose sum is σ = 38536056. Its totient is φ = 38206224.

The previous prime is 38371133. The next prime is 38371141. The reversal of 38371139 is 93117383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93117383 = 1069 ⋅87107.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38371139 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38371099 and 38371108.

It is not an unprimeable number, because it can be changed into a prime (38371133) 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, 82109 + ... + 82574.

It is an arithmetic number, because the mean of its divisors is an integer number (9634014).

Almost surely, 2^38371139 is an apocalyptic number.

38371139 is a deficient number, since it is larger than the sum of its proper divisors (164917).

38371139 is a wasteful number, since it uses less digits than its factorization.

38371139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164916.

The product of its digits is 13608, while the sum is 35.

The square root of 38371139 is about 6194.4442042850. Note that the first 3 decimals coincide. The cubic root of 38371139 is about 337.2885230264.

The spelling of 38371139 in words is "thirty-eight million, three hundred seventy-one thousand, one hundred thirty-nine".