135722003 has 4 divisors (see below), whose sum is σ = 135760368. Its totient is φ = 135683640.

The previous prime is 135721991. The next prime is 135722017. The reversal of 135722003 is 300227531.

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 135722003 - 2⁴ = 135721987 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 135722003.

It is not an unprimeable number, because it can be changed into a prime (135722023) 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, 13268 + ... + 21153.

It is an arithmetic number, because the mean of its divisors is an integer number (33940092).

Almost surely, 2^135722003 is an apocalyptic number.

135722003 is a deficient number, since it is larger than the sum of its proper divisors (38365).

135722003 is an equidigital number, since it uses as much as digits as its factorization.

135722003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38364.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 135722003 is about 11649.9786695084. The cubic root of 135722003 is about 513.9056827552.

Adding to 135722003 its reverse (300227531), we get a palindrome (435949534).

The spelling of 135722003 in words is "one hundred thirty-five million, seven hundred twenty-two thousand, three".