130646146 has 4 divisors (see below), whose sum is σ = 195969222. Its totient is φ = 65323072.

The previous prime is 130646143. The next prime is 130646209. The reversal of 130646146 is 641646031.

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., 120012025 + 10634121 = 10955^2 + 3261^2 .

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 not an unprimeable number, because it can be changed into a prime (130646143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32661535 + ... + 32661538.

Almost surely, 2^130646146 is an apocalyptic number.

130646146 is a deficient number, since it is larger than the sum of its proper divisors (65323076).

130646146 is an equidigital number, since it uses as much as digits as its factorization.

130646146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65323075.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 130646146 is about 11430.0545055568. The cubic root of 130646146 is about 507.4176086652.

The spelling of 130646146 in words is "one hundred thirty million, six hundred forty-six thousand, one hundred forty-six".