135100001 has 2 divisors, whose sum is σ = 135100002. Its totient is φ = 135100000.

The previous prime is 135099983. The next prime is 135100079. The reversal of 135100001 is 100001531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77704225 + 57395776 = 8815^2 + 7576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135100001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135100081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67550000 + 67550001.

It is an arithmetic number, because the mean of its divisors is an integer number (67550001).

Almost surely, 2^135100001 is an apocalyptic number.

It is an amenable number.

135100001 is a deficient number, since it is larger than the sum of its proper divisors (1).

135100001 is an equidigital number, since it uses as much as digits as its factorization.

135100001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 135100001 is about 11623.2525998535. The cubic root of 135100001 is about 513.1194188916.

Adding to 135100001 its reverse (100001531), we get a palindrome (235101532).

The spelling of 135100001 in words is "one hundred thirty-five million, one hundred thousand, one".