3139445215 has 8 divisors (see below), whose sum is σ = 3829094208. Its totient is φ = 2470382880.

The previous prime is 3139445201. The next prime is 3139445249. The reversal of 3139445215 is 5125449313.

3139445215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3139445215 - 2⁷ = 3139445087 is a prime.

It is a super-2 number, since 2×3139445215² = 19712232515972792450, which contains 22 as substring.

It is a Duffinian 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, 5146327 + ... + 5146936.

It is an arithmetic number, because the mean of its divisors is an integer number (478636776).

Almost surely, 2^3139445215 is an apocalyptic number.

3139445215 is a deficient number, since it is larger than the sum of its proper divisors (689648993).

3139445215 is a wasteful number, since it uses less digits than its factorization.

3139445215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10293329.

The product of its digits is 64800, while the sum is 37.

The square root of 3139445215 is about 56030.7524043717. The cubic root of 3139445215 is about 1464.2581037801.

The spelling of 3139445215 in words is "three billion, one hundred thirty-nine million, four hundred forty-five thousand, two hundred fifteen".