540140147 has 2 divisors, whose sum is σ = 540140148. Its totient is φ = 540140146.

The previous prime is 540140101. The next prime is 540140149. The reversal of 540140147 is 741041045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540140147 is a prime.

Together with 540140149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540140149) 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 as a sum of consecutive naturals, namely, 270070073 + 270070074.

It is an arithmetic number, because the mean of its divisors is an integer number (270070074).

Almost surely, 2^540140147 is an apocalyptic number.

540140147 is a deficient number, since it is larger than the sum of its proper divisors (1).

540140147 is an equidigital number, since it uses as much as digits as its factorization.

540140147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 540140147 is about 23240.9153649335. The cubic root of 540140147 is about 814.3957265674.

The spelling of 540140147 in words is "five hundred forty million, one hundred forty thousand, one hundred forty-seven".