1143628038738 has 24 divisors (see below), whose sum is σ = 2585593827648. Its totient is φ = 364635026712.

The previous prime is 1143628038737. The next prime is 1143628038797. The reversal of 1143628038738 is 8378308263411.

It is a happy number.

1143628038738 is a `hidden beast` number, since 1 + 1 + 4 + 3 + 628 + 0 + 3 + 8 + 7 + 3 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1143628038737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1381192870 + ... + 1381193697.

It is an arithmetic number, because the mean of its divisors is an integer number (107733076152).

Almost surely, 2^{1143628038738} is an apocalyptic number.

1143628038738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1143628038738 is an abundant number, since it is smaller than the sum of its proper divisors (1441965788910).

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

1143628038738 is a wasteful number, since it uses less digits than its factorization.

1143628038738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762386598 (or 2762386595 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 1143628038738 in words is "one trillion, one hundred forty-three billion, six hundred twenty-eight million, thirty-eight thousand, seven hundred thirty-eight".