547662139 has 2 divisors, whose sum is σ = 547662140. Its totient is φ = 547662138.

The previous prime is 547662109. The next prime is 547662149. The reversal of 547662139 is 931266745.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 547662139 - 2⁹ = 547661627 is a prime.

It is equal to p_28729069 and since 547662139 and 28729069 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 547662095 and 547662104.

It is not a weakly prime, because it can be changed into another prime (547662109) 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, 273831069 + 273831070.

It is an arithmetic number, because the mean of its divisors is an integer number (273831070).

Almost surely, 2^547662139 is an apocalyptic number.

547662139 is a deficient number, since it is larger than the sum of its proper divisors (1).

547662139 is an equidigital number, since it uses as much as digits as its factorization.

547662139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 547662139 is about 23402.1823554984. The cubic root of 547662139 is about 818.1587374742.

The spelling of 547662139 in words is "five hundred forty-seven million, six hundred sixty-two thousand, one hundred thirty-nine".