4134531645 has 24 divisors (see below), whose sum is σ = 7169618976. Its totient is φ = 2204130528.

The previous prime is 4134531641. The next prime is 4134531649. The reversal of 4134531645 is 5461354314.

4134531645 is a `hidden beast` number, since 4 + 1 + 3 + 4 + 5 + 3 + 1 + 645 = 666.

It is an interprime number because it is at equal distance from previous prime (4134531641) and next prime (4134531649).

It is not a de Polignac number, because 4134531645 - 2² = 4134531641 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4134531641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92394 + ... + 129636.

It is an arithmetic number, because the mean of its divisors is an integer number (298734124).

Almost surely, 2^4134531645 is an apocalyptic number.

4134531645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4134531645 is a deficient number, since it is larger than the sum of its proper divisors (3035087331).

4134531645 is a wasteful number, since it uses less digits than its factorization.

4134531645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39721 (or 39718 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 4134531645 is about 64300.3238327771. The cubic root of 4134531645 is about 1605.0014906674.

Adding to 4134531645 its reverse (5461354314), we get a palindrome (9595885959).

The spelling of 4134531645 in words is "four billion, one hundred thirty-four million, five hundred thirty-one thousand, six hundred forty-five".