3157141905 has 12 divisors (see below), whose sum is σ = 5472379380. Its totient is φ = 1683808992.

The previous prime is 3157141879. The next prime is 3157141919. The reversal of 3157141905 is 5091417513.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1559381121 + 1597760784 = 39489^2 + 39972^2 .

It is not a de Polignac number, because 3157141905 - 2⁵ = 3157141873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3157141905.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35079310 + ... + 35079399.

It is an arithmetic number, because the mean of its divisors is an integer number (456031615).

Almost surely, 2^3157141905 is an apocalyptic number.

It is an amenable number.

3157141905 is a deficient number, since it is larger than the sum of its proper divisors (2315237475).

3157141905 is a wasteful number, since it uses less digits than its factorization.

3157141905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70158720 (or 70158717 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 3157141905 is about 56188.4499252293. The cubic root of 3157141905 is about 1467.0042349427.

The spelling of 3157141905 in words is "three billion, one hundred fifty-seven million, one hundred forty-one thousand, nine hundred five".