135641003 has 4 divisors (see below), whose sum is σ = 137864688. Its totient is φ = 133417320.

The previous prime is 135640969. The next prime is 135641039. The reversal of 135641003 is 300146531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300146531 = 13831 ⋅21701.

It is a cyclic number.

It is not a de Polignac number, because 135641003 - 2²² = 131446699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135641003.

It is not an unprimeable number, because it can be changed into a prime (135641053) 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, 1111751 + ... + 1111872.

It is an arithmetic number, because the mean of its divisors is an integer number (34466172).

Almost surely, 2^135641003 is an apocalyptic number.

135641003 is a deficient number, since it is larger than the sum of its proper divisors (2223685).

135641003 is an equidigital number, since it uses as much as digits as its factorization.

135641003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2223684.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 135641003 is about 11646.5017494525. The cubic root of 135641003 is about 513.8034280407.

Adding to 135641003 its reverse (300146531), we get a palindrome (435787534).

The spelling of 135641003 in words is "one hundred thirty-five million, six hundred forty-one thousand, three".