130434243442 has 8 divisors (see below), whose sum is σ = 195804580716. Its totient is φ = 65166049872.

The previous prime is 130434243437. The next prime is 130434243461. The reversal of 130434243442 is 244342434031.

It can be written as a sum of positive squares in 2 ways, for example, as 116077171401 + 14357072041 = 340701^2 + 119821^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 130434243398 and 130434243407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25532733 + ... + 25537840.

Almost surely, 2^130434243442 is an apocalyptic number.

130434243442 is a deficient number, since it is larger than the sum of its proper divisors (65370337274).

130434243442 is a wasteful number, since it uses less digits than its factorization.

130434243442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51071852.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 130434243442 its reverse (244342434031), we get a palindrome (374776677473).

The spelling of 130434243442 in words is "one hundred thirty billion, four hundred thirty-four million, two hundred forty-three thousand, four hundred forty-two".