136920223023242 has 16 divisors (see below), whose sum is σ = 205543388711232. Its totient is φ = 68405779522080.

The previous prime is 136920223023197. The next prime is 136920223023247. The reversal of 136920223023242 is 242320322029631.

It is a self number, because there is not a number n which added to its sum of digits gives 136920223023242.

It is not an unprimeable number, because it can be changed into a prime (136920223023247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9273923 + ... + 18969609.

It is an arithmetic number, because the mean of its divisors is an integer number (12846461794452).

Almost surely, 2^{136920223023242} is an apocalyptic number.

136920223023242 is a deficient number, since it is larger than the sum of its proper divisors (68623165687990).

136920223023242 is a wasteful number, since it uses less digits than its factorization.

136920223023242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9701293.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 136920223023242 in words is "one hundred thirty-six trillion, nine hundred twenty billion, two hundred twenty-three million, twenty-three thousand, two hundred forty-two".