547664139 has 32 divisors (see below), whose sum is σ = 889190400. Its totient is φ = 330389280.

The previous prime is 547664093. The next prime is 547664203. The reversal of 547664139 is 931466745.

547664139 is a `hidden beast` number, since 547 + 66 + 41 + 3 + 9 = 666.

It is not a de Polignac number, because 547664139 - 2¹³ = 547655947 is a prime.

It is a super-2 number, since 2×547664139² = 599872018293222642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 547664094 and 547664103.

It is not an unprimeable number, because it can be changed into a prime (547664939) 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 in 31 ways as a sum of consecutive naturals, for example, 62097 + ... + 70365.

It is an arithmetic number, because the mean of its divisors is an integer number (27787200).

Almost surely, 2^547664139 is an apocalyptic number.

547664139 is a deficient number, since it is larger than the sum of its proper divisors (341526261).

547664139 is a wasteful number, since it uses less digits than its factorization.

547664139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512 (or 8506 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 547664139 is about 23402.2250865169. The cubic root of 547664139 is about 818.1597334140.

The spelling of 547664139 in words is "five hundred forty-seven million, six hundred sixty-four thousand, one hundred thirty-nine".