136402063445 has 4 divisors (see below), whose sum is σ = 163682476140. Its totient is φ = 109121650752.

The previous prime is 136402063429. The next prime is 136402063463. The reversal of 136402063445 is 544360204631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43060815121 + 93341248324 = 207511^2 + 305518^2 .

It is a cyclic number.

It is not a de Polignac number, because 136402063445 - 2⁴ = 136402063429 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136402063399 and 136402063408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13640206340 + ... + 13640206349.

It is an arithmetic number, because the mean of its divisors is an integer number (40920619035).

Almost surely, 2^136402063445 is an apocalyptic number.

It is an amenable number.

136402063445 is a deficient number, since it is larger than the sum of its proper divisors (27280412695).

136402063445 is an equidigital number, since it uses as much as digits as its factorization.

136402063445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27280412694.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 136402063445 in words is "one hundred thirty-six billion, four hundred two million, sixty-three thousand, four hundred forty-five".