130229842 has 4 divisors (see below), whose sum is σ = 195344766. Its totient is φ = 65114920.

The previous prime is 130229837. The next prime is 130229861. The reversal of 130229842 is 248922031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 71385601 + 58844241 = 8449^2 + 7671^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 32557459 + ... + 32557462.

Almost surely, 2^130229842 is an apocalyptic number.

130229842 is a deficient number, since it is larger than the sum of its proper divisors (65114924).

130229842 is an equidigital number, since it uses as much as digits as its factorization.

130229842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65114923.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 130229842 is about 11411.8290383269. The cubic root of 130229842 is about 506.8780730397.

The spelling of 130229842 in words is "one hundred thirty million, two hundred twenty-nine thousand, eight hundred forty-two".