3115886146 has 4 divisors (see below), whose sum is σ = 4673829222. Its totient is φ = 1557943072.

The previous prime is 3115886141. The next prime is 3115886177. The reversal of 3115886146 is 6416885113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6416885113 = 41 ⋅156509393.

It can be written as a sum of positive squares in only one way, i.e., 2790480625 + 325405521 = 52825^2 + 18039^2 .

It is not an unprimeable number, because it can be changed into a prime (3115886141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778971535 + ... + 778971538.

Almost surely, 2^3115886146 is an apocalyptic number.

3115886146 is a deficient number, since it is larger than the sum of its proper divisors (1557943076).

3115886146 is a wasteful number, since it uses less digits than its factorization.

3115886146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557943075.

The product of its digits is 138240, while the sum is 43.

The square root of 3115886146 is about 55820.1231277753. The cubic root of 3115886146 is about 1460.5862013965.

The spelling of 3115886146 in words is "three billion, one hundred fifteen million, eight hundred eighty-six thousand, one hundred forty-six".