130011533 has 4 divisors (see below), whose sum is σ = 133182588. Its totient is φ = 126840480.

The previous prime is 130011521. The next prime is 130011559. The reversal of 130011533 is 335110031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335110031 = 31 ⋅10810001.

It can be written as a sum of positive squares in 2 ways, for example, as 6646084 + 123365449 = 2578^2 + 11107^2 .

It is a cyclic number.

It is not a de Polignac number, because 130011533 - 2⁴ = 130011517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130011593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1585466 + ... + 1585547.

It is an arithmetic number, because the mean of its divisors is an integer number (33295647).

Almost surely, 2^130011533 is an apocalyptic number.

It is an amenable number.

130011533 is a deficient number, since it is larger than the sum of its proper divisors (3171055).

130011533 is an equidigital number, since it uses as much as digits as its factorization.

130011533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3171054.

The product of its (nonzero) digits is 135, while the sum is 17.

The square root of 130011533 is about 11402.2599952816. The cubic root of 130011533 is about 506.5946819381.

Adding to 130011533 its reverse (335110031), we get a palindrome (465121564).

The spelling of 130011533 in words is "one hundred thirty million, eleven thousand, five hundred thirty-three".