135246012136252 has 6 divisors (see below), whose sum is σ = 236680521238448. Its totient is φ = 67623006068124.

The previous prime is 135246012136243. The next prime is 135246012136253. The reversal of 135246012136252 is 252631210642531.

It is a super-2 number, since 2×135246012136252² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135246012136199 and 135246012136208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135246012136253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16905751517028 + ... + 16905751517035.

Almost surely, 2^{135246012136252} is an apocalyptic number.

It is an amenable number.

135246012136252 is a deficient number, since it is larger than the sum of its proper divisors (101434509102196).

135246012136252 is a wasteful number, since it uses less digits than its factorization.

135246012136252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33811503034067 (or 33811503034065 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 135246012136252 its reverse (252631210642531), we get a palindrome (387877222778783).

The spelling of 135246012136252 in words is "one hundred thirty-five trillion, two hundred forty-six billion, twelve million, one hundred thirty-six thousand, two hundred fifty-two".