135100397 has 2 divisors, whose sum is σ = 135100398. Its totient is φ = 135100396.

The previous prime is 135100369. The next prime is 135100403. The reversal of 135100397 is 793001531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128618281 + 6482116 = 11341^2 + 2546^2 .

It is a cyclic number.

It is not a de Polignac number, because 135100397 - 2⁶ = 135100333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135102397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67550198 + 67550199.

It is an arithmetic number, because the mean of its divisors is an integer number (67550199).

Almost surely, 2^135100397 is an apocalyptic number.

It is an amenable number.

135100397 is a deficient number, since it is larger than the sum of its proper divisors (1).

135100397 is an equidigital number, since it uses as much as digits as its factorization.

135100397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 135100397 is about 11623.2696346596. The cubic root of 135100397 is about 513.1199202365.

The spelling of 135100397 in words is "one hundred thirty-five million, one hundred thousand, three hundred ninety-seven".