3661872134 has 8 divisors (see below), whose sum is σ = 5495169600. Its totient is φ = 1830148936.

The previous prime is 3661872119. The next prime is 3661872139. The reversal of 3661872134 is 4312781663.

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

It is a junction number, because it is equal to n+sod(n) for n = 3661872091 and 3661872100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661872139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387734 + ... + 397065.

It is an arithmetic number, because the mean of its divisors is an integer number (686896200).

Almost surely, 2^3661872134 is an apocalyptic number.

3661872134 is a deficient number, since it is larger than the sum of its proper divisors (1833297466).

3661872134 is a wasteful number, since it uses less digits than its factorization.

3661872134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787134.

The product of its digits is 145152, while the sum is 41.

The square root of 3661872134 is about 60513.4045811339. The cubic root of 3661872134 is about 1541.3492608101.

The spelling of 3661872134 in words is "three billion, six hundred sixty-one million, eight hundred seventy-two thousand, one hundred thirty-four".