3138930140 has 24 divisors (see below), whose sum is σ = 6596584512. Its totient is φ = 1254651840.

The previous prime is 3138930127. The next prime is 3138930143. The reversal of 3138930140 is 410398313.

It is a happy number.

3138930140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3138930097 and 3138930106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138930143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29204 + ... + 84443.

It is an arithmetic number, because the mean of its divisors is an integer number (274857688).

Almost surely, 2^3138930140 is an apocalyptic number.

It is an amenable number.

3138930140 is an abundant number, since it is smaller than the sum of its proper divisors (3457654372).

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

3138930140 is a wasteful number, since it uses less digits than its factorization.

3138930140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115037 (or 115035 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 3138930140 is about 56026.1558559928. The cubic root of 3138930140 is about 1464.1780212665.

The spelling of 3138930140 in words is "three billion, one hundred thirty-eight million, nine hundred thirty thousand, one hundred forty".