39140530 has 64 divisors (see below), whose sum is σ = 83897856. Its totient is φ = 12960000.

The previous prime is 39140501. The next prime is 39140531. The reversal of 39140530 is 3504193.

39140530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 39140495 and 39140504.

It is not an unprimeable number, because it can be changed into a prime (39140531) 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 31 ways as a sum of consecutive naturals, for example, 144295 + ... + 144565.

It is an arithmetic number, because the mean of its divisors is an integer number (1310904).

Almost surely, 2^39140530 is an apocalyptic number.

39140530 is an abundant number, since it is smaller than the sum of its proper divisors (44757326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39140530 is a wasteful number, since it uses less digits than its factorization.

39140530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 39140530 is about 6256.2392857051. The cubic root of 39140530 is about 339.5279782137.

The spelling of 39140530 in words is "thirty-nine million, one hundred forty thousand, five hundred thirty".