135501403 has 8 divisors (see below), whose sum is σ = 141962240. Its totient is φ = 129171240.

The previous prime is 135501397. The next prime is 135501409. The reversal of 135501403 is 304105531.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (135501397) and next prime (135501409).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135501403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135501409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30543 + ... + 34696.

It is an arithmetic number, because the mean of its divisors is an integer number (17745280).

Almost surely, 2^135501403 is an apocalyptic number.

135501403 is a deficient number, since it is larger than the sum of its proper divisors (6460837).

135501403 is an equidigital number, since it uses as much as digits as its factorization.

135501403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65337.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 135501403 is about 11640.5069906770. The cubic root of 135501403 is about 513.6271008783.

Adding to 135501403 its reverse (304105531), we get a palindrome (439606934).

The spelling of 135501403 in words is "one hundred thirty-five million, five hundred one thousand, four hundred three".