4021454135 has 8 divisors (see below), whose sum is σ = 4839654096. Its totient is φ = 3207890560.

The previous prime is 4021454131. The next prime is 4021454147. The reversal of 4021454135 is 5314541204.

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

It is not a de Polignac number, because 4021454135 - 2² = 4021454131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4021454098 and 4021454107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021454131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157186 + ... + 1160655.

It is an arithmetic number, because the mean of its divisors is an integer number (604956762).

Almost surely, 2^4021454135 is an apocalyptic number.

4021454135 is a deficient number, since it is larger than the sum of its proper divisors (818199961).

4021454135 is a wasteful number, since it uses less digits than its factorization.

4021454135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318193.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4021454135 is about 63414.9362137975. The cubic root of 4021454135 is about 1590.2340194557.

Adding to 4021454135 its reverse (5314541204), we get a palindrome (9335995339).

It can be divided in two parts, 40214 and 54135, that added together give a palindrome (94349).

The spelling of 4021454135 in words is "four billion, twenty-one million, four hundred fifty-four thousand, one hundred thirty-five".