135406803 has 8 divisors (see below), whose sum is σ = 206334208. Its totient is φ = 77375304.

The previous prime is 135406801. The next prime is 135406811. The reversal of 135406803 is 308604531.

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

It is not a de Polignac number, because 135406803 - 2¹ = 135406801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135406801) 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, 3223951 + ... + 3223992.

It is an arithmetic number, because the mean of its divisors is an integer number (25791776).

Almost surely, 2^135406803 is an apocalyptic number.

135406803 is a deficient number, since it is larger than the sum of its proper divisors (70927405).

135406803 is an equidigital number, since it uses as much as digits as its factorization.

135406803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447953.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 135406803 is about 11636.4428843182. The cubic root of 135406803 is about 513.5075438491.

The spelling of 135406803 in words is "one hundred thirty-five million, four hundred six thousand, eight hundred three".