130533406 has 4 divisors (see below), whose sum is σ = 195800112. Its totient is φ = 65266702.

The previous prime is 130533397. The next prime is 130533407. The reversal of 130533406 is 604335031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130533407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32633350 + ... + 32633353.

It is an arithmetic number, because the mean of its divisors is an integer number (48950028).

Almost surely, 2^130533406 is an apocalyptic number.

130533406 is a deficient number, since it is larger than the sum of its proper divisors (65266706).

130533406 is an equidigital number, since it uses as much as digits as its factorization.

130533406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65266705.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 130533406 is about 11425.1217061351. The cubic root of 130533406 is about 507.2716093991.

Adding to 130533406 its reverse (604335031), we get a palindrome (734868437).

The spelling of 130533406 in words is "one hundred thirty million, five hundred thirty-three thousand, four hundred six".