7122136133 has 6 divisors (see below), whose sum is σ = 8284933926. Its totient is φ = 6104688072.

The previous prime is 7122136121. The next prime is 7122136193. The reversal of 7122136133 is 3316312217.

It can be written as a sum of positive squares in only one way, i.e., 3692628289 + 3429507844 = 60767^2 + 58562^2 .

It is not a de Polignac number, because 7122136133 - 2¹⁴ = 7122119749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7122136096 and 7122136105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7122136193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72674810 + ... + 72674907.

It is an arithmetic number, because the mean of its divisors is an integer number (1380822321).

Almost surely, 2^7122136133 is an apocalyptic number.

It is an amenable number.

7122136133 is a deficient number, since it is larger than the sum of its proper divisors (1162797793).

7122136133 is a wasteful number, since it uses less digits than its factorization.

7122136133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145349731 (or 145349724 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 7122136133 is about 84392.7492916305. The cubic root of 7122136133 is about 1923.9927159913.

The spelling of 7122136133 in words is "seven billion, one hundred twenty-two million, one hundred thirty-six thousand, one hundred thirty-three".