136422231408566 has 4 divisors (see below), whose sum is σ = 204633347112852. Its totient is φ = 68211115704282.

The previous prime is 136422231408559. The next prime is 136422231408581. The reversal of 136422231408566 is 665804132224631.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×136422231408566² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34105557852140 + ... + 34105557852143.

It is an arithmetic number, because the mean of its divisors is an integer number (51158336778213).

Almost surely, 2^{136422231408566} is an apocalyptic number.

136422231408566 is a deficient number, since it is larger than the sum of its proper divisors (68211115704286).

136422231408566 is an equidigital number, since it uses as much as digits as its factorization.

136422231408566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68211115704285.

The product of its (nonzero) digits is 9953280, while the sum is 53.

The spelling of 136422231408566 in words is "one hundred thirty-six trillion, four hundred twenty-two billion, two hundred thirty-one million, four hundred eight thousand, five hundred sixty-six".