130784542 has 16 divisors (see below), whose sum is σ = 224796672. Its totient is φ = 55901880.

The previous prime is 130784513. The next prime is 130784561. The reversal of 130784542 is 245487031.

130784542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×130784542² = 34209192852299528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130784498 and 130784507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6834 + ... + 17557.

It is an arithmetic number, because the mean of its divisors is an integer number (14049792).

Almost surely, 2^130784542 is an apocalyptic number.

130784542 is a deficient number, since it is larger than the sum of its proper divisors (94012130).

130784542 is a wasteful number, since it uses less digits than its factorization.

130784542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24783.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 130784542 is about 11436.1069424870. The cubic root of 130784542 is about 507.5967178783.

It can be divided in two parts, 1307 and 84542, that added together give a square (85849 = 293²).

The spelling of 130784542 in words is "one hundred thirty million, seven hundred eighty-four thousand, five hundred forty-two".