135513101 has 2 divisors, whose sum is σ = 135513102. Its totient is φ = 135513100.

The previous prime is 135513097. The next prime is 135513179. The reversal of 135513101 is 101315531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135373225 + 139876 = 11635^2 + 374^2 .

It is a cyclic number.

It is not a de Polignac number, because 135513101 - 2² = 135513097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135513181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67756550 + 67756551.

It is an arithmetic number, because the mean of its divisors is an integer number (67756551).

Almost surely, 2^135513101 is an apocalyptic number.

It is an amenable number.

135513101 is a deficient number, since it is larger than the sum of its proper divisors (1).

135513101 is an equidigital number, since it uses as much as digits as its factorization.

135513101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 135513101 is about 11641.0094493562. The cubic root of 135513101 is about 513.6418811360.

Adding to 135513101 its reverse (101315531), we get a palindrome (236828632).

The spelling of 135513101 in words is "one hundred thirty-five million, five hundred thirteen thousand, one hundred one".