135725803 has 2 divisors, whose sum is σ = 135725804. Its totient is φ = 135725802.

The previous prime is 135725791. The next prime is 135725813. The reversal of 135725803 is 308527531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135725803 is a prime.

It is not a weakly prime, because it can be changed into another prime (135725813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67862901 + 67862902.

It is an arithmetic number, because the mean of its divisors is an integer number (67862902).

Almost surely, 2^135725803 is an apocalyptic number.

135725803 is a deficient number, since it is larger than the sum of its proper divisors (1).

135725803 is an equidigital number, since it uses as much as digits as its factorization.

135725803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 135725803 is about 11650.1417587942. The cubic root of 135725803 is about 513.9104788908.

The spelling of 135725803 in words is "one hundred thirty-five million, seven hundred twenty-five thousand, eight hundred three".