8540147 has 16 divisors (see below), whose sum is σ = 10720512. Its totient is φ = 6609120.

The previous prime is 8540143. The next prime is 8540167. The reversal of 8540147 is 7410458.

It is not a de Polignac number, because 8540147 - 2² = 8540143 is a prime.

It is a super-2 number, since 2×8540147² = 145868221563218, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14888 + ... + 15450.

It is an arithmetic number, because the mean of its divisors is an integer number (670032).

Almost surely, 2^8540147 is an apocalyptic number.

8540147 is a deficient number, since it is larger than the sum of its proper divisors (2180365).

8540147 is a wasteful number, since it uses less digits than its factorization.

8540147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 8540147 is about 2922.3529903145. The cubic root of 8540147 is about 204.4035568460.

The spelling of 8540147 in words is "eight million, five hundred forty thousand, one hundred forty-seven".