135418837 has 2 divisors, whose sum is σ = 135418838. Its totient is φ = 135418836.

The previous prime is 135418831. The next prime is 135418847. The reversal of 135418837 is 738814531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134420836 + 998001 = 11594^2 + 999^2 .

It is a cyclic number.

It is not a de Polignac number, because 135418837 - 2¹¹ = 135416789 is a prime.

It is a super-3 number, since 3×135418837³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is equal to p_7667824 and since 135418837 and 7667824 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135418837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135418831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67709418 + 67709419.

It is an arithmetic number, because the mean of its divisors is an integer number (67709419).

Almost surely, 2^135418837 is an apocalyptic number.

It is an amenable number.

135418837 is a deficient number, since it is larger than the sum of its proper divisors (1).

135418837 is an equidigital number, since it uses as much as digits as its factorization.

135418837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 40.

The square root of 135418837 is about 11636.9599552460. The cubic root of 135418837 is about 513.5227557060.

The spelling of 135418837 in words is "one hundred thirty-five million, four hundred eighteen thousand, eight hundred thirty-seven".