1947374134 has 16 divisors (see below), whose sum is σ = 2991624048. Its totient is φ = 950441472.

The previous prime is 1947374029. The next prime is 1947374147. The reversal of 1947374134 is 4314737491.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54592 + ... + 82915.

It is an arithmetic number, because the mean of its divisors is an integer number (186976503).

Almost surely, 2^1947374134 is an apocalyptic number.

1947374134 is a deficient number, since it is larger than the sum of its proper divisors (1044249914).

1947374134 is a wasteful number, since it uses less digits than its factorization.

1947374134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137679.

The product of its digits is 254016, while the sum is 43.

The square root of 1947374134 is about 44129.0622379402. The cubic root of 1947374134 is about 1248.7719424816.

The spelling of 1947374134 in words is "one billion, nine hundred forty-seven million, three hundred seventy-four thousand, one hundred thirty-four".