1914844136 has 8 divisors (see below), whose sum is σ = 3590332770. Its totient is φ = 957422064.

The previous prime is 1914844109. The next prime is 1914844157. The reversal of 1914844136 is 6314484191.

It can be written as a sum of positive squares in only one way, i.e., 1481788036 + 433056100 = 38494^2 + 20810^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1914844093 and 1914844102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119677751 + ... + 119677766.

Almost surely, 2^1914844136 is an apocalyptic number.

It is an amenable number.

1914844136 is a deficient number, since it is larger than the sum of its proper divisors (1675488634).

1914844136 is a wasteful number, since it uses less digits than its factorization.

1914844136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239355523 (or 239355519 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 1914844136 is about 43758.9320710641. The cubic root of 1914844136 is about 1241.7794725333.

The spelling of 1914844136 in words is "one billion, nine hundred fourteen million, eight hundred forty-four thousand, one hundred thirty-six".