135841004212 has 12 divisors (see below), whose sum is σ = 238270771396. Its totient is φ = 67763640960.

The previous prime is 135841004183. The next prime is 135841004213. The reversal of 135841004212 is 212400148531.

It can be written as a sum of positive squares in 2 ways, for example, as 21200524816 + 114640479396 = 145604^2 + 338586^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135841004213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39213339 + ... + 39216802.

Almost surely, 2^135841004212 is an apocalyptic number.

It is an amenable number.

135841004212 is a deficient number, since it is larger than the sum of its proper divisors (102429767184).

135841004212 is a wasteful number, since it uses less digits than its factorization.

135841004212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78430578 (or 78430576 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 135841004212 in words is "one hundred thirty-five billion, eight hundred forty-one million, four thousand, two hundred twelve".