133540039 has 2 divisors, whose sum is σ = 133540040. Its totient is φ = 133540038.

The previous prime is 133540031. The next prime is 133540061. The reversal of 133540039 is 930045331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 133540039 - 2³ = 133540031 is a prime.

It is a super-2 number, since 2×133540039² = 35665884032243042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 133539989 and 133540016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133540031) 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 as a sum of consecutive naturals, namely, 66770019 + 66770020.

It is an arithmetic number, because the mean of its divisors is an integer number (66770020).

Almost surely, 2^133540039 is an apocalyptic number.

133540039 is a deficient number, since it is larger than the sum of its proper divisors (1).

133540039 is an equidigital number, since it uses as much as digits as its factorization.

133540039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 133540039 is about 11555.9525353819. The cubic root of 133540039 is about 511.1368194571.

The spelling of 133540039 in words is "one hundred thirty-three million, five hundred forty thousand, thirty-nine".