39140423 has 8 divisors (see below), whose sum is σ = 45490560. Its totient is φ = 32979960.

The previous prime is 39140371. The next prime is 39140441. The reversal of 39140423 is 32404193.

39140423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 39140423 - 2¹² = 39136327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39140392 and 39140401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39145423) 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 7 ways as a sum of consecutive naturals, for example, 46973 + ... + 47798.

It is an arithmetic number, because the mean of its divisors is an integer number (5686320).

Almost surely, 2^39140423 is an apocalyptic number.

39140423 is a deficient number, since it is larger than the sum of its proper divisors (6350137).

39140423 is an equidigital number, since it uses as much as digits as its factorization.

39140423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94837.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 39140423 is about 6256.2307342361. The cubic root of 39140423 is about 339.5276688198.

The spelling of 39140423 in words is "thirty-nine million, one hundred forty thousand, four hundred twenty-three".