135201047 has 2 divisors, whose sum is σ = 135201048. Its totient is φ = 135201046.

The previous prime is 135201043. The next prime is 135201113. The reversal of 135201047 is 740102531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135201047 - 2² = 135201043 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135201043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67600523 + 67600524.

It is an arithmetic number, because the mean of its divisors is an integer number (67600524).

Almost surely, 2^135201047 is an apocalyptic number.

135201047 is a deficient number, since it is larger than the sum of its proper divisors (1).

135201047 is an equidigital number, since it uses as much as digits as its factorization.

135201047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 135201047 is about 11627.5985052804. The cubic root of 135201047 is about 513.2473136444.

Adding to 135201047 its reverse (740102531), we get a palindrome (875303578).

The spelling of 135201047 in words is "one hundred thirty-five million, two hundred one thousand, forty-seven".