130406533 has 4 divisors (see below), whose sum is σ = 134903340. Its totient is φ = 125909728.

The previous prime is 130406503. The next prime is 130406561. The reversal of 130406533 is 335604031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335604031 = 7 ⋅47943433.

It can be written as a sum of positive squares in 2 ways, for example, as 106131204 + 24275329 = 10302^2 + 4927^2 .

It is a cyclic number.

It is not a de Polignac number, because 130406533 - 2¹³ = 130398341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 130406498 and 130406507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130406503) 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, 2248360 + ... + 2248417.

It is an arithmetic number, because the mean of its divisors is an integer number (33725835).

Almost surely, 2^130406533 is an apocalyptic number.

It is an amenable number.

130406533 is a deficient number, since it is larger than the sum of its proper divisors (4496807).

130406533 is an equidigital number, since it uses as much as digits as its factorization.

130406533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496806.

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

The square root of 130406533 is about 11419.5679865746. The cubic root of 130406533 is about 507.1072072086.

The spelling of 130406533 in words is "one hundred thirty million, four hundred six thousand, five hundred thirty-three".