61330135 has 12 divisors (see below), whose sum is σ = 78181848. Its totient is φ = 46176896.

The previous prime is 61330097. The next prime is 61330141. The reversal of 61330135 is 53103316.

It is not a de Polignac number, because 61330135 - 2⁹ = 61329623 is a prime.

It is a super-2 number, since 2×61330135² = 7522770918236450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19777 + ... + 22666.

It is an arithmetic number, because the mean of its divisors is an integer number (6515154).

Almost surely, 2^61330135 is an apocalyptic number.

61330135 is a deficient number, since it is larger than the sum of its proper divisors (16851713).

61330135 is a wasteful number, since it uses less digits than its factorization.

61330135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42482 (or 42465 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 61330135 is about 7831.3558851581. The cubic root of 61330135 is about 394.3585915702.

The spelling of 61330135 in words is "sixty-one million, three hundred thirty thousand, one hundred thirty-five".