4139140 has 24 divisors (see below), whose sum is σ = 8731800. Its totient is φ = 1648128.

The previous prime is 4139129. The next prime is 4139147. The reversal of 4139140 is 419314.

It can be written as a sum of positive squares in 4 ways, for example, as 956484 + 3182656 = 978^2 + 1784^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4139147) 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, 6684 + ... + 7276.

It is an arithmetic number, because the mean of its divisors is an integer number (363825).

Almost surely, 2^4139140 is an apocalyptic number.

It is an amenable number.

4139140 is an abundant number, since it is smaller than the sum of its proper divisors (4592660).

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

4139140 is a wasteful number, since it uses less digits than its factorization.

4139140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 4139140 is about 2034.4876504909. The cubic root of 4139140 is about 160.5597581588.

The spelling of 4139140 in words is "four million, one hundred thirty-nine thousand, one hundred forty".