6135540 has 24 divisors (see below), whose sum is σ = 17179680. Its totient is φ = 1636128.

The previous prime is 6135539. The next prime is 6135553. The reversal of 6135540 is 455316.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6135540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51070 + ... + 51189.

It is an arithmetic number, because the mean of its divisors is an integer number (715820).

Almost surely, 2^6135540 is an apocalyptic number.

6135540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6135540 is an abundant number, since it is smaller than the sum of its proper divisors (11044140).

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

6135540 is a wasteful number, since it uses less digits than its factorization.

6135540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102271 (or 102269 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 6135540 is about 2477.0022204269. The cubic root of 6135540 is about 183.0701752423.

The spelling of 6135540 in words is "six million, one hundred thirty-five thousand, five hundred forty".