116139890 has 16 divisors (see below), whose sum is σ = 209207232. Its totient is φ = 46421424.

The previous prime is 116139889. The next prime is 116139893. The reversal of 116139890 is 98931611.

It is not an unprimeable number, because it can be changed into a prime (116139893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13187 + ... + 20153.

It is an arithmetic number, because the mean of its divisors is an integer number (13075452).

Almost surely, 2^116139890 is an apocalyptic number.

116139890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

116139890 is a deficient number, since it is larger than the sum of its proper divisors (93067342).

116139890 is a wasteful number, since it uses less digits than its factorization.

116139890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8641.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 116139890 is about 10776.8218877367. The cubic root of 116139890 is about 487.8958643022.

The spelling of 116139890 in words is "one hundred sixteen million, one hundred thirty-nine thousand, eight hundred ninety".