135682418 has 12 divisors (see below), whose sum is σ = 207042270. Its totient is φ = 66687936.

The previous prime is 135682411. The next prime is 135682427. The reversal of 135682418 is 814286531.

It can be written as a sum of positive squares in only one way, i.e., 135094129 + 588289 = 11623^2 + 767^2 .

It is not an unprimeable number, because it can be changed into a prime (135682411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2783 + ... + 16706.

Almost surely, 2^135682418 is an apocalyptic number.

135682418 is a deficient number, since it is larger than the sum of its proper divisors (71359852).

135682418 is an equidigital number, since it uses as much as digits as its factorization.

135682418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19609 (or 19550 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 135682418 is about 11648.2796154625. The cubic root of 135682418 is about 513.8557155819.

The spelling of 135682418 in words is "one hundred thirty-five million, six hundred eighty-two thousand, four hundred eighteen".