135917803 has 8 divisors (see below), whose sum is σ = 155843072. Its totient is φ = 116119656.

The previous prime is 135917801. The next prime is 135917819. The reversal of 135917803 is 308719531.

It is a happy number.

135917803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 135917803 - 2¹ = 135917801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135917801) 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, 29475 + ... + 33772.

It is an arithmetic number, because the mean of its divisors is an integer number (19480384).

Almost surely, 2^135917803 is an apocalyptic number.

135917803 is a deficient number, since it is larger than the sum of its proper divisors (19925269).

135917803 is an equidigital number, since it uses as much as digits as its factorization.

135917803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63561.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 135917803 is about 11658.3790897363. The cubic root of 135917803 is about 514.1526935107.

The spelling of 135917803 in words is "one hundred thirty-five million, nine hundred seventeen thousand, eight hundred three".