130215533 has 4 divisors (see below), whose sum is σ = 148817760. Its totient is φ = 111613308.

The previous prime is 130215523. The next prime is 130215551. The reversal of 130215533 is 335512031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130215533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130215499 and 130215508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130215523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9301103 + ... + 9301116.

It is an arithmetic number, because the mean of its divisors is an integer number (37204440).

Almost surely, 2^130215533 is an apocalyptic number.

It is an amenable number.

130215533 is a deficient number, since it is larger than the sum of its proper divisors (18602227).

130215533 is an equidigital number, since it uses as much as digits as its factorization.

130215533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18602226.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 130215533 is about 11411.2020839174. The cubic root of 130215533 is about 506.8595079554.

Adding to 130215533 its reverse (335512031), we get a palindrome (465727564).

The spelling of 130215533 in words is "one hundred thirty million, two hundred fifteen thousand, five hundred thirty-three".