7133791138 has 16 divisors (see below), whose sum is σ = 10732414176. Its totient is φ = 3556332000.

The previous prime is 7133791127. The next prime is 7133791139. The reversal of 7133791138 is 8311973317.

It is a junction number, because it is equal to n+sod(n) for n = 7133791094 and 7133791103.

It is not an unprimeable number, because it can be changed into a prime (7133791139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2375638 + ... + 2378638.

It is an arithmetic number, because the mean of its divisors is an integer number (670775886).

Almost surely, 2^7133791138 is an apocalyptic number.

7133791138 is a deficient number, since it is larger than the sum of its proper divisors (3598623038).

7133791138 is a wasteful number, since it uses less digits than its factorization.

7133791138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129.

The product of its digits is 95256, while the sum is 43.

The square root of 7133791138 is about 84461.7732349967. The cubic root of 7133791138 is about 1925.0416486632.

The spelling of 7133791138 in words is "seven billion, one hundred thirty-three million, seven hundred ninety-one thousand, one hundred thirty-eight".