6140655 has 48 divisors (see below), whose sum is σ = 11793600. Its totient is φ = 2939904.

The previous prime is 6140653. The next prime is 6140657. The reversal of 6140655 is 5560416.

It is a happy number.

6140655 is a `hidden beast` number, since 6 + 1 + 4 + 0 + 655 = 666.

It is an interprime number because it is at equal distance from previous prime (6140653) and next prime (6140657).

It is not a de Polignac number, because 6140655 - 2¹ = 6140653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6140653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17421 + ... + 17769.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

Almost surely, 2^6140655 is an apocalyptic number.

6140655 is a deficient number, since it is larger than the sum of its proper divisors (5652945).

6140655 is a wasteful number, since it uses less digits than its factorization.

6140655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 6140655 is about 2478.0345033918. The cubic root of 6140655 is about 183.1210343273.

The spelling of 6140655 in words is "six million, one hundred forty thousand, six hundred fifty-five".