130251146 has 4 divisors (see below), whose sum is σ = 195376722. Its totient is φ = 65125572.

The previous prime is 130251131. The next prime is 130251167. The reversal of 130251146 is 641152031.

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., 126810121 + 3441025 = 11261^2 + 1855^2 .

It is a super-2 number, since 2×130251146² = 33930722068626632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32562785 + ... + 32562788.

Almost surely, 2^130251146 is an apocalyptic number.

130251146 is a deficient number, since it is larger than the sum of its proper divisors (65125576).

130251146 is an equidigital number, since it uses as much as digits as its factorization.

130251146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65125575.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 130251146 is about 11412.7624175745. The cubic root of 130251146 is about 506.9057112050.

The spelling of 130251146 in words is "one hundred thirty million, two hundred fifty-one thousand, one hundred forty-six".