1073138733 has 16 divisors (see below), whose sum is σ = 1623663360. Its totient is φ = 700203168.

The previous prime is 1073138701. The next prime is 1073138747. The reversal of 1073138733 is 3378313701.

It is not a de Polignac number, because 1073138733 - 2⁵ = 1073138701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073138783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421560 + ... + 424097.

It is an arithmetic number, because the mean of its divisors is an integer number (101478960).

Almost surely, 2^1073138733 is an apocalyptic number.

It is an amenable number.

1073138733 is a deficient number, since it is larger than the sum of its proper divisors (550524627).

1073138733 is an equidigital number, since it uses as much as digits as its factorization.

1073138733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845713 (or 845707 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 1073138733 is about 32758.7962690939. The cubic root of 1073138733 is about 1023.8082466289.

The spelling of 1073138733 in words is "one billion, seventy-three million, one hundred thirty-eight thousand, seven hundred thirty-three".