135663139 has 2 divisors, whose sum is σ = 135663140. Its totient is φ = 135663138.

The previous prime is 135663109. The next prime is 135663149. The reversal of 135663139 is 931366531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135663139 - 2⁹ = 135662627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135663098 and 135663107.

It is not a weakly prime, because it can be changed into another prime (135663109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67831569 + 67831570.

It is an arithmetic number, because the mean of its divisors is an integer number (67831570).

Almost surely, 2^135663139 is an apocalyptic number.

135663139 is a deficient number, since it is larger than the sum of its proper divisors (1).

135663139 is an equidigital number, since it uses as much as digits as its factorization.

135663139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 37.

The square root of 135663139 is about 11647.4520389654. The cubic root of 135663139 is about 513.8313766545.

The spelling of 135663139 in words is "one hundred thirty-five million, six hundred sixty-three thousand, one hundred thirty-nine".