1283183136738 has 24 divisors (see below), whose sum is σ = 2794786315776. Its totient is φ = 425488299000.

The previous prime is 1283183136721. The next prime is 1283183136743. The reversal of 1283183136738 is 8376313813821.

It is a happy number.

1283183136738 is a `hidden beast` number, since 1 + 2 + 8 + 318 + 313 + 6 + 7 + 3 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186614238 + ... + 186621113.

It is an arithmetic number, because the mean of its divisors is an integer number (116449429824).

Almost surely, 2^{1283183136738} is an apocalyptic number.

1283183136738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1283183136738 is an abundant number, since it is smaller than the sum of its proper divisors (1511603179038).

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

1283183136738 is a wasteful number, since it uses less digits than its factorization.

1283183136738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373235550 (or 373235547 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 1283183136738 in words is "one trillion, two hundred eighty-three billion, one hundred eighty-three million, one hundred thirty-six thousand, seven hundred thirty-eight".