130202356546 has 4 divisors (see below), whose sum is σ = 195303534822. Its totient is φ = 65101178272.

The previous prime is 130202356541. The next prime is 130202356549. The reversal of 130202356546 is 645653202031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645653202031 = 62047 ⋅10405873.

It can be written as a sum of positive squares in only one way, i.e., 109634494321 + 20567862225 = 331111^2 + 143415^2 .

It is not an unprimeable number, because it can be changed into a prime (130202356541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32550589135 + ... + 32550589138.

Almost surely, 2^130202356546 is an apocalyptic number.

130202356546 is a deficient number, since it is larger than the sum of its proper divisors (65101178276).

130202356546 is an equidigital number, since it uses as much as digits as its factorization.

130202356546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65101178275.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 130202356546 its reverse (645653202031), we get a palindrome (775855558577).

The spelling of 130202356546 in words is "one hundred thirty billion, two hundred two million, three hundred fifty-six thousand, five hundred forty-six".