130244251546 has 4 divisors (see below), whose sum is σ = 195366377322. Its totient is φ = 65122125772.

The previous prime is 130244251499. The next prime is 130244251567. The reversal of 130244251546 is 645152442031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645152442031 = 193 ⋅3342758767.

It can be written as a sum of positive squares in only one way, i.e., 117200099025 + 13044152521 = 342345^2 + 114211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32561062885 + ... + 32561062888.

Almost surely, 2^130244251546 is an apocalyptic number.

130244251546 is a deficient number, since it is larger than the sum of its proper divisors (65122125776).

130244251546 is an equidigital number, since it uses as much as digits as its factorization.

130244251546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65122125775.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 130244251546 its reverse (645152442031), we get a palindrome (775396693577).

The spelling of 130244251546 in words is "one hundred thirty billion, two hundred forty-four million, two hundred fifty-one thousand, five hundred forty-six".