135658801 has 2 divisors, whose sum is σ = 135658802. Its totient is φ = 135658800.

The previous prime is 135658717. The next prime is 135658813. The reversal of 135658801 is 108856531.

135658801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107143201 + 28515600 = 10351^2 + 5340^2 .

It is a cyclic number.

It is not a de Polignac number, because 135658801 - 2⁷ = 135658673 is a prime.

It is not a weakly prime, because it can be changed into another prime (135658871) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67829400 + 67829401.

It is an arithmetic number, because the mean of its divisors is an integer number (67829401).

Almost surely, 2^135658801 is an apocalyptic number.

It is an amenable number.

135658801 is a deficient number, since it is larger than the sum of its proper divisors (1).

135658801 is an equidigital number, since it uses as much as digits as its factorization.

135658801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 135658801 is about 11647.2658164910. The cubic root of 135658801 is about 513.8258997940.

It can be divided in two parts, 13565 and 8801, that added together give a triangular number (22366 = T₂₁₁).

The spelling of 135658801 in words is "one hundred thirty-five million, six hundred fifty-eight thousand, eight hundred one".