135523803 has 8 divisors (see below), whose sum is σ = 181488400. Its totient is φ = 89954208.

The previous prime is 135523799. The next prime is 135523837. The reversal of 135523803 is 308325531.

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

It is not a de Polignac number, because 135523803 - 2² = 135523799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135523403) 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, 97948 + ... + 99321.

It is an arithmetic number, because the mean of its divisors is an integer number (22686050).

Almost surely, 2^135523803 is an apocalyptic number.

135523803 is a deficient number, since it is larger than the sum of its proper divisors (45964597).

135523803 is a wasteful number, since it uses less digits than its factorization.

135523803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197501.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 135523803 is about 11641.4691083213. The cubic root of 135523803 is about 513.6554022166.

The spelling of 135523803 in words is "one hundred thirty-five million, five hundred twenty-three thousand, eight hundred three".