3641654136 has 32 divisors (see below), whose sum is σ = 9108253440. Its totient is φ = 1213335648.

The previous prime is 3641654123. The next prime is 3641654179. The reversal of 3641654136 is 6314561463.

It is a junction number, because it is equal to n+sod(n) for n = 3641654094 and 3641654103.

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, 21715 + ... + 88061.

It is an arithmetic number, because the mean of its divisors is an integer number (284632920).

Almost surely, 2^3641654136 is an apocalyptic number.

It is an amenable number.

3641654136 is an abundant number, since it is smaller than the sum of its proper divisors (5466599304).

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

3641654136 is a wasteful number, since it uses less digits than its factorization.

3641654136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68643 (or 68639 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 3641654136 is about 60346.1194775604. The cubic root of 3641654136 is about 1538.5073150989.

The spelling of 3641654136 in words is "three billion, six hundred forty-one million, six hundred fifty-four thousand, one hundred thirty-six".