135940903 has 8 divisors (see below), whose sum is σ = 155532672. Its totient is φ = 116392056.

The previous prime is 135940867. The next prime is 135940907. The reversal of 135940903 is 309049531.

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 135940903 - 2¹³ = 135932711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135940907) 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, 3625 + ... + 16882.

It is an arithmetic number, because the mean of its divisors is an integer number (19441584).

Almost surely, 2^135940903 is an apocalyptic number.

135940903 is a deficient number, since it is larger than the sum of its proper divisors (19591769).

135940903 is an equidigital number, since it uses as much as digits as its factorization.

135940903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21461.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 135940903 is about 11659.3697514059. The cubic root of 135940903 is about 514.1818195809.

The spelling of 135940903 in words is "one hundred thirty-five million, nine hundred forty thousand, nine hundred three".