6129140 has 12 divisors (see below), whose sum is σ = 12871236. Its totient is φ = 2451648.

The previous prime is 6129133. The next prime is 6129143. The reversal of 6129140 is 419216.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2427364 + 3701776 = 1558^2 + 1924^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6129143) 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 3 ways as a sum of consecutive naturals, for example, 153209 + ... + 153248.

It is an arithmetic number, because the mean of its divisors is an integer number (1072603).

Almost surely, 2^6129140 is an apocalyptic number.

It is an amenable number.

6129140 is an abundant number, since it is smaller than the sum of its proper divisors (6742096).

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

6129140 is a wasteful number, since it uses less digits than its factorization.

6129140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306466 (or 306464 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 6129140 is about 2475.7099991720. The cubic root of 6129140 is about 183.0064994158.

The spelling of 6129140 in words is "six million, one hundred twenty-nine thousand, one hundred forty".