136420353402236 has 48 divisors (see below), whose sum is σ = 242531968627200. Its totient is φ = 67131313996032.

The previous prime is 136420353402233. The next prime is 136420353402247. The reversal of 136420353402236 is 632204353024631.

It is a super-2 number, since 2×136420353402236² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136420353402233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153213935 + ... + 154101753.

It is an arithmetic number, because the mean of its divisors is an integer number (5052749346400).

Almost surely, 2^{136420353402236} is an apocalyptic number.

It is an amenable number.

136420353402236 is a deficient number, since it is larger than the sum of its proper divisors (106111615224964).

136420353402236 is a wasteful number, since it uses less digits than its factorization.

136420353402236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889458 (or 889456 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 44.

The spelling of 136420353402236 in words is "one hundred thirty-six trillion, four hundred twenty billion, three hundred fifty-three million, four hundred two thousand, two hundred thirty-six".