39139226 has 8 divisors (see below), whose sum is σ = 67095840. Its totient is φ = 16773948.

The previous prime is 39139223. The next prime is 39139249. The reversal of 39139226 is 62293193.

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 (39139223) 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, 1397816 + ... + 1397843.

It is an arithmetic number, because the mean of its divisors is an integer number (8386980).

Almost surely, 2^39139226 is an apocalyptic number.

39139226 is a deficient number, since it is larger than the sum of its proper divisors (27956614).

39139226 is a wasteful number, since it uses less digits than its factorization.

39139226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795668.

The product of its digits is 17496, while the sum is 35.

The square root of 39139226 is about 6256.1350688744. The cubic root of 39139226 is about 339.5242076175.

The spelling of 39139226 in words is "thirty-nine million, one hundred thirty-nine thousand, two hundred twenty-six".