61130133 has 20 divisors (see below), whose sum is σ = 93446848. Its totient is φ = 39803400.

The previous prime is 61130119. The next prime is 61130137. The reversal of 61130133 is 33103116.

61130133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61130133 - 2⁸ = 61129877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61130137) 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 19 ways as a sum of consecutive naturals, for example, 5293 + ... + 12258.

Almost surely, 2^61130133 is an apocalyptic number.

It is an amenable number.

61130133 is a deficient number, since it is larger than the sum of its proper divisors (32316715).

61130133 is a wasteful number, since it uses less digits than its factorization.

61130133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17606 (or 17597 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 61130133 is about 7818.5761491463. The cubic root of 61130133 is about 393.9294474580.

Adding to 61130133 its reverse (33103116), we get a palindrome (94233249).

The spelling of 61130133 in words is "sixty-one million, one hundred thirty thousand, one hundred thirty-three".