135649303 has 4 divisors (see below), whose sum is σ = 142788760. Its totient is φ = 128509848.

The previous prime is 135649259. The next prime is 135649369. The reversal of 135649303 is 303946531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135649303 - 2²⁵ = 102094871 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 (135649603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3569700 + ... + 3569737.

It is an arithmetic number, because the mean of its divisors is an integer number (35697190).

Almost surely, 2^135649303 is an apocalyptic number.

135649303 is a deficient number, since it is larger than the sum of its proper divisors (7139457).

135649303 is an equidigital number, since it uses as much as digits as its factorization.

135649303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7139456.

The product of its (nonzero) digits is 29160, while the sum is 34.

The square root of 135649303 is about 11646.8580741761. The cubic root of 135649303 is about 513.8139078646.

The spelling of 135649303 in words is "one hundred thirty-five million, six hundred forty-nine thousand, three hundred three".