136553701 has 2 divisors, whose sum is σ = 136553702. Its totient is φ = 136553700.

The previous prime is 136553699. The next prime is 136553713. The reversal of 136553701 is 107355631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116964225 + 19589476 = 10815^2 + 4426^2 .

It is an emirp because it is prime and its reverse (107355631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136553701 - 2¹ = 136553699 is a prime.

Together with 136553699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136553761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68276850 + 68276851.

It is an arithmetic number, because the mean of its divisors is an integer number (68276851).

Almost surely, 2^136553701 is an apocalyptic number.

It is an amenable number.

136553701 is a deficient number, since it is larger than the sum of its proper divisors (1).

136553701 is an equidigital number, since it uses as much as digits as its factorization.

136553701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 136553701 is about 11685.6194101982. The cubic root of 136553701 is about 514.9532756805.

The spelling of 136553701 in words is "one hundred thirty-six million, five hundred fifty-three thousand, seven hundred one".