68132459 has 4 divisors (see below), whose sum is σ = 68953416. Its totient is φ = 67311504.

The previous prime is 68132453. The next prime is 68132489. The reversal of 68132459 is 95423186.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 68132459 - 2⁴ = 68132443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68132453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410354 + ... + 410519.

It is an arithmetic number, because the mean of its divisors is an integer number (17238354).

Almost surely, 2^68132459 is an apocalyptic number.

68132459 is a deficient number, since it is larger than the sum of its proper divisors (820957).

68132459 is an equidigital number, since it uses as much as digits as its factorization.

68132459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820956.

The product of its digits is 51840, while the sum is 38.

The square root of 68132459 is about 8254.2388504332. The cubic root of 68132459 is about 408.4303637616.

The spelling of 68132459 in words is "sixty-eight million, one hundred thirty-two thousand, four hundred fifty-nine".