6151140 has 60 divisors (see below), whose sum is σ = 19301436. Its totient is φ = 1639872.

The previous prime is 6151133. The next prime is 6151141. The reversal of 6151140 is 411516.

6151140 is a `hidden beast` number, since 615 + 11 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 842724 + 5308416 = 918^2 + 2304^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (6151141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 279 + ... + 3518.

Almost surely, 2^6151140 is an apocalyptic number.

6151140 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 6151140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9650718).

6151140 is an abundant number, since it is smaller than the sum of its proper divisors (13150296).

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

6151140 is a wasteful number, since it uses less digits than its factorization.

6151140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818 (or 3807 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 6151140 is about 2480.1491890610. The cubic root of 6151140 is about 183.2251997778.

Adding to 6151140 its reverse (411516), we get a palindrome (6562656).

The spelling of 6151140 in words is "six million, one hundred fifty-one thousand, one hundred forty".