1162156133 has 2 divisors, whose sum is σ = 1162156134. Its totient is φ = 1162156132.

The previous prime is 1162156097. The next prime is 1162156153. The reversal of 1162156133 is 3316512611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 910711684 + 251444449 = 30178^2 + 15857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162156133 - 2¹⁸ = 1161893989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1162156096 and 1162156105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1162156153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581078066 + 581078067.

It is an arithmetic number, because the mean of its divisors is an integer number (581078067).

Almost surely, 2^1162156133 is an apocalyptic number.

It is an amenable number.

1162156133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162156133 is an equidigital number, since it uses as much as digits as its factorization.

1162156133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 1162156133 is about 34090.4111591515. The cubic root of 1162156133 is about 1051.3681735322.

Adding to 1162156133 its reverse (3316512611), we get a palindrome (4478668744).

The spelling of 1162156133 in words is "one billion, one hundred sixty-two million, one hundred fifty-six thousand, one hundred thirty-three".