542131147 has 2 divisors, whose sum is σ = 542131148. Its totient is φ = 542131146.

The previous prime is 542131097. The next prime is 542131189. The reversal of 542131147 is 741131245.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542131147 is a prime.

It is not a weakly prime, because it can be changed into another prime (542135147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271065573 + 271065574.

It is an arithmetic number, because the mean of its divisors is an integer number (271065574).

Almost surely, 2^542131147 is an apocalyptic number.

542131147 is a deficient number, since it is larger than the sum of its proper divisors (1).

542131147 is an equidigital number, since it uses as much as digits as its factorization.

542131147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 542131147 is about 23283.7099062843. The cubic root of 542131147 is about 815.3951422998.

The spelling of 542131147 in words is "five hundred forty-two million, one hundred thirty-one thousand, one hundred forty-seven".