42289130 has 16 divisors (see below), whose sum is σ = 81976104. Its totient is φ = 15614400.

The previous prime is 42289129. The next prime is 42289133. The reversal of 42289130 is 3198224.

42289130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 31326409 + 10962721 = 5597^2 + 3311^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42289093 and 42289102.

It is not an unprimeable number, because it can be changed into a prime (42289133) 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 in 7 ways as a sum of consecutive naturals, for example, 162521 + ... + 162780.

Almost surely, 2^42289130 is an apocalyptic number.

42289130 is a deficient number, since it is larger than the sum of its proper divisors (39686974).

42289130 is a wasteful number, since it uses less digits than its factorization.

42289130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325321.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 42289130 is about 6503.0093033918. The cubic root of 42289130 is about 348.3984788962.

The spelling of 42289130 in words is "forty-two million, two hundred eighty-nine thousand, one hundred thirty".