682181137 has 8 divisors (see below), whose sum is σ = 744504480. Its totient is φ = 619908960.

The previous prime is 682181063. The next prime is 682181141. The reversal of 682181137 is 731181286.

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

It is a de Polignac number, because none of the positive numbers 2^k-682181137 is a prime.

It is a super-2 number, since 2×682181137² = 930742207357225538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 682181096 and 682181105.

It is not an unprimeable number, because it can be changed into a prime (682181167) 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, 18414 + ... + 41272.

It is an arithmetic number, because the mean of its divisors is an integer number (93063060).

Almost surely, 2^682181137 is an apocalyptic number.

It is an amenable number.

682181137 is a deficient number, since it is larger than the sum of its proper divisors (62323343).

682181137 is a wasteful number, since it uses less digits than its factorization.

682181137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25583.

The product of its digits is 16128, while the sum is 37.

The square root of 682181137 is about 26118.5975312611. The cubic root of 682181137 is about 880.3051356608.

The spelling of 682181137 in words is "six hundred eighty-two million, one hundred eighty-one thousand, one hundred thirty-seven".