7140147 has 8 divisors (see below), whose sum is σ = 10880256. Its totient is φ = 4080072.

The previous prime is 7140127. The next prime is 7140157. The reversal of 7140147 is 7410417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7140147 - 2⁶ = 7140083 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7140127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169983 + ... + 170024.

It is an arithmetic number, because the mean of its divisors is an integer number (1360032).

Almost surely, 2^7140147 is an apocalyptic number.

7140147 is a deficient number, since it is larger than the sum of its proper divisors (3740109).

7140147 is a wasteful number, since it uses less digits than its factorization.

7140147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340017.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 7140147 is about 2672.1053497196. The cubic root of 7140147 is about 192.5613185215.

The spelling of 7140147 in words is "seven million, one hundred forty thousand, one hundred forty-seven".