130042933 has 2 divisors, whose sum is σ = 130042934. Its totient is φ = 130042932.

The previous prime is 130042921. The next prime is 130042951. The reversal of 130042933 is 339240031.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112720689 + 17322244 = 10617^2 + 4162^2 .

It is a cyclic number.

It is not a de Polignac number, because 130042933 - 2²¹ = 127945781 is a prime.

It is a super-2 number, since 2×130042933² = 33822328846484978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 130042898 and 130042907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130042993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65021466 + 65021467.

It is an arithmetic number, because the mean of its divisors is an integer number (65021467).

Almost surely, 2^130042933 is an apocalyptic number.

It is an amenable number.

130042933 is a deficient number, since it is larger than the sum of its proper divisors (1).

130042933 is an equidigital number, since it uses as much as digits as its factorization.

130042933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 130042933 is about 11403.6368321689. The cubic root of 130042933 is about 506.6354624038.

Adding to 130042933 its reverse (339240031), we get a palindrome (469282964).

The spelling of 130042933 in words is "one hundred thirty million, forty-two thousand, nine hundred thirty-three".