61142086 has 8 divisors (see below), whose sum is σ = 92054880. Its totient is φ = 30457128.

The previous prime is 61142083. The next prime is 61142089. The reversal of 61142086 is 68024116.

61142086 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61142083) and next prime (61142089).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61142083) 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 3 ways as a sum of consecutive naturals, for example, 56286 + ... + 57361.

It is an arithmetic number, because the mean of its divisors is an integer number (11506860).

Almost surely, 2^61142086 is an apocalyptic number.

61142086 is a deficient number, since it is larger than the sum of its proper divisors (30912794).

61142086 is a wasteful number, since it uses less digits than its factorization.

61142086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113918.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 61142086 is about 7819.3405092757. The cubic root of 61142086 is about 393.9551212765.

The spelling of 61142086 in words is "sixty-one million, one hundred forty-two thousand, eighty-six".