689480135 has 8 divisors (see below), whose sum is σ = 876045456. Its totient is φ = 519137920.

The previous prime is 689480119. The next prime is 689480137. The reversal of 689480135 is 531084986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 689480135 - 2⁴ = 689480119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689480137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4055681 + ... + 4055850.

It is an arithmetic number, because the mean of its divisors is an integer number (109505682).

Almost surely, 2^689480135 is an apocalyptic number.

689480135 is a deficient number, since it is larger than the sum of its proper divisors (186565321).

689480135 is a wasteful number, since it uses less digits than its factorization.

689480135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111553.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 689480135 is about 26257.9537473886. The cubic root of 689480135 is about 883.4336129974.

The spelling of 689480135 in words is "six hundred eighty-nine million, four hundred eighty thousand, one hundred thirty-five".