130401203444506 has 4 divisors (see below), whose sum is σ = 195601805166762. Its totient is φ = 65200601722252.

The previous prime is 130401203444489. The next prime is 130401203444539. The reversal of 130401203444506 is 605444302104031.

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., 105193925575281 + 25207277869225 = 10256409^2 + 5020685^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32600300861125 + ... + 32600300861128.

Almost surely, 2^{130401203444506} is an apocalyptic number.

130401203444506 is a deficient number, since it is larger than the sum of its proper divisors (65200601722256).

130401203444506 is an equidigital number, since it uses as much as digits as its factorization.

130401203444506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65200601722255.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 130401203444506 its reverse (605444302104031), we get a palindrome (735845505548537).

The spelling of 130401203444506 in words is "one hundred thirty trillion, four hundred one billion, two hundred three million, four hundred forty-four thousand, five hundred six".