134421641 has 8 divisors (see below), whose sum is σ = 139830600. Its totient is φ = 129064320.

The previous prime is 134421619. The next prime is 134421643. The reversal of 134421641 is 146124431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 24255625 + 110166016 = 4925^2 + 10496^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134421641 - 2⁶ = 134421577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 134421641.

It is not an unprimeable number, because it can be changed into a prime (134421643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7556 + ... + 18053.

It is an arithmetic number, because the mean of its divisors is an integer number (17478825).

Almost surely, 2^134421641 is an apocalyptic number.

It is an amenable number.

134421641 is a deficient number, since it is larger than the sum of its proper divisors (5408959).

134421641 is a wasteful number, since it uses less digits than its factorization.

134421641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25819.

The product of its digits is 2304, while the sum is 26.

The square root of 134421641 is about 11594.0347161806. The cubic root of 134421641 is about 512.2591575886.

The spelling of 134421641 in words is "one hundred thirty-four million, four hundred twenty-one thousand, six hundred forty-one".