134403641 has 4 divisors (see below), whose sum is σ = 134512500. Its totient is φ = 134294784.

The previous prime is 134403637. The next prime is 134403653. The reversal of 134403641 is 146304431.

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 108597241 + 25806400 = 10421^2 + 5080^2 .

It is a cyclic number.

It is not a de Polignac number, because 134403641 - 2² = 134403637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134403641.

It is not an unprimeable number, because it can be changed into a prime (134403671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52556 + ... + 55053.

It is an arithmetic number, because the mean of its divisors is an integer number (33628125).

Almost surely, 2^134403641 is an apocalyptic number.

It is an amenable number.

134403641 is a deficient number, since it is larger than the sum of its proper divisors (108859).

134403641 is a wasteful number, since it uses less digits than its factorization.

134403641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108858.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 134403641 is about 11593.2584289319. The cubic root of 134403641 is about 512.2362915373.

The spelling of 134403641 in words is "one hundred thirty-four million, four hundred three thousand, six hundred forty-one".