61069135 has 8 divisors (see below), whose sum is σ = 77140080. Its totient is φ = 46283904.

The previous prime is 61069109. The next prime is 61069139. The reversal of 61069135 is 53196016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61069135 - 2²³ = 52680527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61069097 and 61069106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61069139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 321322 + ... + 321511.

It is an arithmetic number, because the mean of its divisors is an integer number (9642510).

Almost surely, 2^61069135 is an apocalyptic number.

61069135 is a deficient number, since it is larger than the sum of its proper divisors (16070945).

61069135 is a wasteful number, since it uses less digits than its factorization.

61069135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642857.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 61069135 is about 7814.6743374244. The cubic root of 61069135 is about 393.7983778637.

The spelling of 61069135 in words is "sixty-one million, sixty-nine thousand, one hundred thirty-five".