135259039 has 2 divisors, whose sum is σ = 135259040. Its totient is φ = 135259038.

The previous prime is 135259027. The next prime is 135259073. The reversal of 135259039 is 930952531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135259039 - 2¹⁹ = 134734751 is a prime.

It is equal to p_7659343 and since 135259039 and 7659343 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 135258989 and 135259007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135259009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67629519 + 67629520.

It is an arithmetic number, because the mean of its divisors is an integer number (67629520).

Almost surely, 2^135259039 is an apocalyptic number.

135259039 is a deficient number, since it is larger than the sum of its proper divisors (1).

135259039 is an equidigital number, since it uses as much as digits as its factorization.

135259039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 135259039 is about 11630.0919600835. The cubic root of 135259039 is about 513.3206858168.

The spelling of 135259039 in words is "one hundred thirty-five million, two hundred fifty-nine thousand, thirty-nine".