6140147505 has 32 divisors (see below), whose sum is σ = 10329707520. Its totient is φ = 3108431040.

The previous prime is 6140147473. The next prime is 6140147509. The reversal of 6140147505 is 5057410416.

It is not a de Polignac number, because 6140147505 - 2⁵ = 6140147473 is a prime.

It is a super-2 number, since 2×6140147505² = 75402822766315450050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6140147509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22735 + ... + 113124.

It is an arithmetic number, because the mean of its divisors is an integer number (322803360).

Almost surely, 2^6140147505 is an apocalyptic number.

It is an amenable number.

6140147505 is a deficient number, since it is larger than the sum of its proper divisors (4189560015).

6140147505 is a wasteful number, since it uses less digits than its factorization.

6140147505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136021.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 6140147505 is about 78359.0933140500. The cubic root of 6140147505 is about 1831.1598950334.

The spelling of 6140147505 in words is "six billion, one hundred forty million, one hundred forty-seven thousand, five hundred five".