1933359138 has 16 divisors (see below), whose sum is σ = 4296353760. Its totient is φ = 644453028.

The previous prime is 1933359107. The next prime is 1933359143. The reversal of 1933359138 is 8319533391.

It is a junction number, because it is equal to n+sod(n) for n = 1933359093 and 1933359102.

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, 17901420 + ... + 17901527.

It is an arithmetic number, because the mean of its divisors is an integer number (268522110).

Almost surely, 2^1933359138 is an apocalyptic number.

1933359138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1933359138 is an abundant number, since it is smaller than the sum of its proper divisors (2362994622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1933359138 is a wasteful number, since it uses less digits than its factorization.

1933359138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35802958 (or 35802952 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 1933359138 is about 43969.9799636070. The cubic root of 1933359138 is about 1245.7689776918.

The spelling of 1933359138 in words is "one billion, nine hundred thirty-three million, three hundred fifty-nine thousand, one hundred thirty-eight".