135894641 has 12 divisors (see below), whose sum is σ = 140727600. Its totient is φ = 131189040.

The previous prime is 135894613. The next prime is 135894643. The reversal of 135894641 is 146498531.

It is not a de Polignac number, because 135894641 - 2¹⁰ = 135893617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135894643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219230 + ... + 219848.

It is an arithmetic number, because the mean of its divisors is an integer number (11727300).

Almost surely, 2^135894641 is an apocalyptic number.

It is an amenable number.

135894641 is a deficient number, since it is larger than the sum of its proper divisors (4832959).

135894641 is an frugal number, since it uses more digits than its factorization.

135894641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 739 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 135894641 is about 11657.3856846207. The cubic root of 135894641 is about 514.1234859530.

The spelling of 135894641 in words is "one hundred thirty-five million, eight hundred ninety-four thousand, six hundred forty-one".