130291146 has 16 divisors (see below), whose sum is σ = 289536000. Its totient is φ = 43430364.

The previous prime is 130291141. The next prime is 130291163. The reversal of 130291146 is 641192031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (130291141) 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, 1206346 + ... + 1206453.

It is an arithmetic number, because the mean of its divisors is an integer number (18096000).

Almost surely, 2^130291146 is an apocalyptic number.

130291146 is an abundant number, since it is smaller than the sum of its proper divisors (159244854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130291146 is a wasteful number, since it uses less digits than its factorization.

130291146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412810 (or 2412804 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 130291146 is about 11414.5147071612. The cubic root of 130291146 is about 506.9575959774.

The spelling of 130291146 in words is "one hundred thirty million, two hundred ninety-one thousand, one hundred forty-six".