6140001285 has 96 divisors (see below), whose sum is σ = 12081363840. Its totient is φ = 2966803200.

The previous prime is 6140001281. The next prime is 6140001313. The reversal of 6140001285 is 5821000416.

It is not a de Polignac number, because 6140001285 - 2² = 6140001281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6140001281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5198395 + ... + 5199575.

It is an arithmetic number, because the mean of its divisors is an integer number (125847540).

Almost surely, 2^6140001285 is an apocalyptic number.

It is an amenable number.

6140001285 is a deficient number, since it is larger than the sum of its proper divisors (5941362555).

6140001285 is a wasteful number, since it uses less digits than its factorization.

6140001285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 6140001285 is about 78358.1602961683. The cubic root of 6140001285 is about 1831.1453593172.

The spelling of 6140001285 in words is "six billion, one hundred forty million, one thousand, two hundred eighty-five".