38139274 has 8 divisors (see below), whose sum is σ = 58146948. Its totient is φ = 18756960.

The previous prime is 38139271. The next prime is 38139329. The reversal of 38139274 is 47293183.

38139274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38130625 + 8649 = 6175^2 + 93^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (38139271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156187 + ... + 156430.

Almost surely, 2^38139274 is an apocalyptic number.

38139274 is a deficient number, since it is larger than the sum of its proper divisors (20007674).

38139274 is a wasteful number, since it uses less digits than its factorization.

38139274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312680.

The product of its digits is 36288, while the sum is 37.

The square root of 38139274 is about 6175.7002841783. The cubic root of 38139274 is about 336.6077730310.

The spelling of 38139274 in words is "thirty-eight million, one hundred thirty-nine thousand, two hundred seventy-four".