116138145 has 16 divisors (see below), whose sum is σ = 185985792. Its totient is φ = 61885440.

The previous prime is 116138129. The next prime is 116138149. The reversal of 116138145 is 541831611.

It is not a de Polignac number, because 116138145 - 2⁴ = 116138129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116138149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18625 + ... + 24065.

It is an arithmetic number, because the mean of its divisors is an integer number (11624112).

Almost surely, 2^116138145 is an apocalyptic number.

116138145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116138145 is a deficient number, since it is larger than the sum of its proper divisors (69847647).

116138145 is a wasteful number, since it uses less digits than its factorization.

116138145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6872.

The product of its digits is 2880, while the sum is 30.

The square root of 116138145 is about 10776.7409266438. The cubic root of 116138145 is about 487.8934207474.

Adding to 116138145 its reverse (541831611), we get a palindrome (657969756).

The spelling of 116138145 in words is "one hundred sixteen million, one hundred thirty-eight thousand, one hundred forty-five".