136866322 has 4 divisors (see below), whose sum is σ = 205299486. Its totient is φ = 68433160.

The previous prime is 136866263. The next prime is 136866347. The reversal of 136866322 is 223668631.

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

It can be written as a sum of positive squares in only one way, i.e., 134583201 + 2283121 = 11601^2 + 1511^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34216579 + ... + 34216582.

Almost surely, 2^136866322 is an apocalyptic number.

136866322 is a deficient number, since it is larger than the sum of its proper divisors (68433164).

136866322 is an equidigital number, since it uses as much as digits as its factorization.

136866322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68433163.

The product of its digits is 62208, while the sum is 37.

The square root of 136866322 is about 11698.9880758978. The cubic root of 136866322 is about 515.3459478470.

It can be divided in two parts, 1368663 and 22, that added together give a triangular number (1368685 = T₁₆₅₄).

The spelling of 136866322 in words is "one hundred thirty-six million, eight hundred sixty-six thousand, three hundred twenty-two".