136534901 has 2 divisors, whose sum is σ = 136534902. Its totient is φ = 136534900.

The previous prime is 136534861. The next prime is 136534919. The reversal of 136534901 is 109435631.

136534901 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., 122102500 + 14432401 = 11050^2 + 3799^2 .

It is an emirp because it is prime and its reverse (109435631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136534901 - 2¹⁸ = 136272757 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 (136534991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68267450 + 68267451.

It is an arithmetic number, because the mean of its divisors is an integer number (68267451).

Almost surely, 2^136534901 is an apocalyptic number.

It is an amenable number.

136534901 is a deficient number, since it is larger than the sum of its proper divisors (1).

136534901 is an equidigital number, since it uses as much as digits as its factorization.

136534901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 136534901 is about 11684.8149750007. The cubic root of 136534901 is about 514.9296425706.

The spelling of 136534901 in words is "one hundred thirty-six million, five hundred thirty-four thousand, nine hundred one".