135271699 has 2 divisors, whose sum is σ = 135271700. Its totient is φ = 135271698.

The previous prime is 135271673. The next prime is 135271711. The reversal of 135271699 is 996172531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135271699 - 2¹⁵ = 135238931 is a prime.

It is not a weakly prime, because it can be changed into another prime (135271639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67635849 + 67635850.

It is an arithmetic number, because the mean of its divisors is an integer number (67635850).

Almost surely, 2^135271699 is an apocalyptic number.

135271699 is a deficient number, since it is larger than the sum of its proper divisors (1).

135271699 is an equidigital number, since it uses as much as digits as its factorization.

135271699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 43.

The square root of 135271699 is about 11630.6362250738. The cubic root of 135271699 is about 513.3367006113.

The spelling of 135271699 in words is "one hundred thirty-five million, two hundred seventy-one thousand, six hundred ninety-nine".