116140642 has 4 divisors (see below), whose sum is σ = 174210966. Its totient is φ = 58070320.

The previous prime is 116140631. The next prime is 116140643. The reversal of 116140642 is 246041611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 114041041 + 2099601 = 10679^2 + 1449^2 .

It is not an unprimeable number, because it can be changed into a prime (116140643) 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 as a sum of consecutive naturals, namely, 29035159 + ... + 29035162.

Almost surely, 2^116140642 is an apocalyptic number.

116140642 is a deficient number, since it is larger than the sum of its proper divisors (58070324).

116140642 is an equidigital number, since it uses as much as digits as its factorization.

116140642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58070323.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 116140642 is about 10776.8567773725. The cubic root of 116140642 is about 487.8969173337.

The spelling of 116140642 in words is "one hundred sixteen million, one hundred forty thousand, six hundred forty-two".