135540803 has 2 divisors, whose sum is σ = 135540804. Its totient is φ = 135540802.

The previous prime is 135540791. The next prime is 135540827. The reversal of 135540803 is 308045531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135540803 - 2⁶ = 135540739 is a prime.

It is not a weakly prime, because it can be changed into another prime (135540833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67770401 + 67770402.

It is an arithmetic number, because the mean of its divisors is an integer number (67770402).

Almost surely, 2^135540803 is an apocalyptic number.

135540803 is a deficient number, since it is larger than the sum of its proper divisors (1).

135540803 is an equidigital number, since it uses as much as digits as its factorization.

135540803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 135540803 is about 11642.1992338218. The cubic root of 135540803 is about 513.6768788295.

The spelling of 135540803 in words is "one hundred thirty-five million, five hundred forty thousand, eight hundred three".