1941918136 has 16 divisors (see below), whose sum is σ = 3659965200. Its totient is φ = 965927424.

The previous prime is 1941918133. The next prime is 1941918149. The reversal of 1941918136 is 6318191491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1941918092 and 1941918101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941918133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627316 + ... + 630403.

It is an arithmetic number, because the mean of its divisors is an integer number (228747825).

Almost surely, 2^1941918136 is an apocalyptic number.

It is an amenable number.

1941918136 is a deficient number, since it is larger than the sum of its proper divisors (1718047064).

1941918136 is a wasteful number, since it uses less digits than its factorization.

1941918136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257918 (or 1257914 counting only the distinct ones).

The product of its digits is 46656, while the sum is 43.

The square root of 1941918136 is about 44067.2002287416. The cubic root of 1941918136 is about 1247.6046149833.

The spelling of 1941918136 in words is "one billion, nine hundred forty-one million, nine hundred eighteen thousand, one hundred thirty-six".