687339134 has 16 divisors (see below), whose sum is σ = 1036713600. Its totient is φ = 341773824.

The previous prime is 687339127. The next prime is 687339137. The reversal of 687339134 is 431933786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687339137) 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, 321782 + ... + 323910.

It is an arithmetic number, because the mean of its divisors is an integer number (64794600).

Almost surely, 2^687339134 is an apocalyptic number.

687339134 is a deficient number, since it is larger than the sum of its proper divisors (349374466).

687339134 is a wasteful number, since it uses less digits than its factorization.

687339134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947.

The product of its digits is 326592, while the sum is 44.

The square root of 687339134 is about 26217.1534305309. The cubic root of 687339134 is about 882.5182405205.

The spelling of 687339134 in words is "six hundred eighty-seven million, three hundred thirty-nine thousand, one hundred thirty-four".