6154140 has 48 divisors (see below), whose sum is σ = 17408160. Its totient is φ = 1624320.

The previous prime is 6154111. The next prime is 6154163. The reversal of 6154140 is 414516.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6070 + ... + 7010.

It is an arithmetic number, because the mean of its divisors is an integer number (362670).

Almost surely, 2^6154140 is an apocalyptic number.

6154140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6154140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8704080).

6154140 is an abundant number, since it is smaller than the sum of its proper divisors (11254020).

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

6154140 is a wasteful number, since it uses less digits than its factorization.

6154140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 6154140 is about 2480.7539176629. The cubic root of 6154140 is about 183.2549821305.

Adding to 6154140 its reverse (414516), we get a palindrome (6568656).

The spelling of 6154140 in words is "six million, one hundred fifty-four thousand, one hundred forty".