130533451402 has 4 divisors (see below), whose sum is σ = 195800177106. Its totient is φ = 65266725700.

The previous prime is 130533451339. The next prime is 130533451409. The reversal of 130533451402 is 204154335031.

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., 82668325441 + 47865125961 = 287521^2 + 218781^2 .

It is not an unprimeable number, because it can be changed into a prime (130533451409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32633362849 + ... + 32633362852.

Almost surely, 2^130533451402 is an apocalyptic number.

130533451402 is a deficient number, since it is larger than the sum of its proper divisors (65266725704).

130533451402 is an equidigital number, since it uses as much as digits as its factorization.

130533451402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65266725703.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 130533451402 its reverse (204154335031), we get a palindrome (334687786433).

The spelling of 130533451402 in words is "one hundred thirty billion, five hundred thirty-three million, four hundred fifty-one thousand, four hundred two".