135803853 has 24 divisors (see below), whose sum is σ = 200124288. Its totient is φ = 88725312.

The previous prime is 135803851. The next prime is 135803869. The reversal of 135803853 is 358308531.

It is not a de Polignac number, because 135803853 - 2¹ = 135803851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135803851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101676 + ... + 103002.

It is an arithmetic number, because the mean of its divisors is an integer number (8338512).

Almost surely, 2^135803853 is an apocalyptic number.

It is an amenable number.

135803853 is a deficient number, since it is larger than the sum of its proper divisors (64320435).

135803853 is a wasteful number, since it uses less digits than its factorization.

135803853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 135803853 is about 11653.4910220071. The cubic root of 135803853 is about 514.0089691945.

The spelling of 135803853 in words is "one hundred thirty-five million, eight hundred three thousand, eight hundred fifty-three".