3651481134 has 160 divisors (see below), whose sum is σ = 9715064832. Its totient is φ = 1003104000.

The previous prime is 3651481133. The next prime is 3651481151. The reversal of 3651481134 is 4311841563.

3651481134 is a `hidden beast` number, since 3 + 6 + 514 + 8 + 1 + 134 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3651481133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8471899 + ... + 8472329.

Almost surely, 2^3651481134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3651481134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4857532416).

3651481134 is an abundant number, since it is smaller than the sum of its proper divisors (6063583698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3651481134 is a wasteful number, since it uses less digits than its factorization.

3651481134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 715 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 3651481134 is about 60427.4865768882. The cubic root of 3651481134 is about 1539.8899586857.

The spelling of 3651481134 in words is "three billion, six hundred fifty-one million, four hundred eighty-one thousand, one hundred thirty-four".