118289459 has 16 divisors (see below), whose sum is σ = 131297280. Its totient is φ = 106116480.

The previous prime is 118289449. The next prime is 118289467. The reversal of 118289459 is 954982811.

It is a cyclic number.

It is not a de Polignac number, because 118289459 - 2⁸ = 118289203 is a prime.

It is a super-2 number, since 2×118289459² = 27984792221025362, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a cake number, because a cake can be divided into 118289459 parts by 892 planar cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118289429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25547 + ... + 29819.

It is an arithmetic number, because the mean of its divisors is an integer number (8206080).

Almost surely, 2^118289459 is an apocalyptic number.

118289459 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

118289459 is a deficient number, since it is larger than the sum of its proper divisors (13007821).

118289459 is a wasteful number, since it uses less digits than its factorization.

118289459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370.

The product of its digits is 207360, while the sum is 47.

The square root of 118289459 is about 10876.0957608877. The cubic root of 118289459 is about 490.8875473035.

The spelling of 118289459 in words is "one hundred eighteen million, two hundred eighty-nine thousand, four hundred fifty-nine".