136345403441 has 4 divisors (see below), whose sum is σ = 146833511412. Its totient is φ = 125857295472.

The previous prime is 136345403429. The next prime is 136345403477. The reversal of 136345403441 is 144304543631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144304543631 = 71 ⋅2032458361.

It can be written as a sum of positive squares in 2 ways, for example, as 22964371600 + 113381031841 = 151540^2 + 336721^2 .

It is a cyclic number.

It is not a de Polignac number, because 136345403441 - 2³⁰ = 135271661617 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136345403395 and 136345403404.

It is not an unprimeable number, because it can be changed into a prime (136345403941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5244053966 + ... + 5244053991.

It is an arithmetic number, because the mean of its divisors is an integer number (36708377853).

Almost surely, 2^136345403441 is an apocalyptic number.

It is an amenable number.

136345403441 is a deficient number, since it is larger than the sum of its proper divisors (10488107971).

136345403441 is a wasteful number, since it uses less digits than its factorization.

136345403441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10488107970.

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

The spelling of 136345403441 in words is "one hundred thirty-six billion, three hundred forty-five million, four hundred three thousand, four hundred forty-one".