135445943 has 8 divisors (see below), whose sum is σ = 136973280. Its totient is φ = 133927200.

The previous prime is 135445903. The next prime is 135445951. The reversal of 135445943 is 349544531.

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 135445943 - 2¹² = 135441847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135445897 and 135445906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135445903) 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, 32621 + ... + 36537.

It is an arithmetic number, because the mean of its divisors is an integer number (17121660).

Almost surely, 2^135445943 is an apocalyptic number.

135445943 is a deficient number, since it is larger than the sum of its proper divisors (1527337).

135445943 is a wasteful number, since it uses less digits than its factorization.

135445943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297.

The product of its digits is 129600, while the sum is 38.

The square root of 135445943 is about 11638.1245482251. The cubic root of 135445943 is about 513.5570163734.

The spelling of 135445943 in words is "one hundred thirty-five million, four hundred forty-five thousand, nine hundred forty-three".