3644742134 has 16 divisors (see below), whose sum is σ = 5979709440. Its totient is φ = 1652371560.

The previous prime is 3644742121. The next prime is 3644742209. The reversal of 3644742134 is 4312474463.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207854 + ... + 224705.

It is an arithmetic number, because the mean of its divisors is an integer number (373731840).

Almost surely, 2^3644742134 is an apocalyptic number.

3644742134 is a deficient number, since it is larger than the sum of its proper divisors (2334967306).

3644742134 is a wasteful number, since it uses less digits than its factorization.

3644742134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432955.

The product of its digits is 193536, while the sum is 38.

The square root of 3644742134 is about 60371.6997772963. The cubic root of 3644742134 is about 1538.9420594118.

The spelling of 3644742134 in words is "three billion, six hundred forty-four million, seven hundred forty-two thousand, one hundred thirty-four".