4136221403 has 4 divisors (see below), whose sum is σ = 4136751120. Its totient is φ = 4135691688.

The previous prime is 4136221393. The next prime is 4136221421. The reversal of 4136221403 is 3041226314.

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 4136221403 - 2²⁶ = 4069112539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4136221493) 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, 252968 + ... + 268821.

It is an arithmetic number, because the mean of its divisors is an integer number (1034187780).

Almost surely, 2^4136221403 is an apocalyptic number.

4136221403 is a deficient number, since it is larger than the sum of its proper divisors (529717).

4136221403 is an equidigital number, since it uses as much as digits as its factorization.

4136221403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529716.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4136221403 is about 64313.4620666622. The cubic root of 4136221403 is about 1605.2201123443.

Adding to 4136221403 its reverse (3041226314), we get a palindrome (7177447717).

The spelling of 4136221403 in words is "four billion, one hundred thirty-six million, two hundred twenty-one thousand, four hundred three".