119989913 has 2 divisors, whose sum is σ = 119989914. Its totient is φ = 119989912.

The previous prime is 119989897. The next prime is 119989931. The reversal of 119989913 is 319989911.

Together with next prime (119989931) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107578384 + 12411529 = 10372^2 + 3523^2 .

It is a cyclic number.

It is not a de Polignac number, because 119989913 - 2⁴ = 119989897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (119989973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59994956 + 59994957.

It is an arithmetic number, because the mean of its divisors is an integer number (59994957).

Almost surely, 2^119989913 is an apocalyptic number.

It is an amenable number.

119989913 is a deficient number, since it is larger than the sum of its proper divisors (1).

119989913 is an equidigital number, since it uses as much as digits as its factorization.

119989913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 50.

The square root of 119989913 is about 10953.9907339745. The cubic root of 119989913 is about 493.2285941004.

The spelling of 119989913 in words is "one hundred nineteen million, nine hundred eighty-nine thousand, nine hundred thirteen".