1933918136 has 32 divisors (see below), whose sum is σ = 3804458880. Its totient is φ = 920419200.

The previous prime is 1933918121. The next prime is 1933918141. The reversal of 1933918136 is 6318193391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48791 + ... + 79046.

It is an arithmetic number, because the mean of its divisors is an integer number (118889340).

Almost surely, 2^1933918136 is an apocalyptic number.

It is an amenable number.

1933918136 is a deficient number, since it is larger than the sum of its proper divisors (1870540744).

1933918136 is a wasteful number, since it uses less digits than its factorization.

1933918136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127935 (or 127931 counting only the distinct ones).

The product of its digits is 104976, while the sum is 44.

The square root of 1933918136 is about 43976.3360911297. The cubic root of 1933918136 is about 1245.8890304449.

The spelling of 1933918136 in words is "one billion, nine hundred thirty-three million, nine hundred eighteen thousand, one hundred thirty-six".