3265139672 has 8 divisors (see below), whose sum is σ = 6122136900. Its totient is φ = 1632569832.

The previous prime is 3265139659. The next prime is 3265139687. The reversal of 3265139672 is 2769315623.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3265139672² = 21322274155336535168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204071222 + ... + 204071237.

Almost surely, 2^3265139672 is an apocalyptic number.

It is an amenable number.

3265139672 is a deficient number, since it is larger than the sum of its proper divisors (2856997228).

3265139672 is a wasteful number, since it uses less digits than its factorization.

3265139672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408142465 (or 408142461 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The square root of 3265139672 is about 57141.4006828674. The cubic root of 3265139672 is about 1483.5445344126.

The spelling of 3265139672 in words is "three billion, two hundred sixty-five million, one hundred thirty-nine thousand, six hundred seventy-two".