136323722 has 8 divisors (see below), whose sum is σ = 211536900. Its totient is φ = 65811424.

The previous prime is 136323701. The next prime is 136323739. The reversal of 136323722 is 227323631.

It can be written as a sum of positive squares in 2 ways, for example, as 122567041 + 13756681 = 11071^2 + 3709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1175147 + ... + 1175262.

Almost surely, 2^136323722 is an apocalyptic number.

136323722 is a deficient number, since it is larger than the sum of its proper divisors (75213178).

136323722 is a wasteful number, since it uses less digits than its factorization.

136323722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350440.

The product of its digits is 9072, while the sum is 29.

The square root of 136323722 is about 11675.7750063968. The cubic root of 136323722 is about 514.6640244308.

Subtracting 136323722 from its reverse (227323631), we obtain a palindrome (90999909).

The spelling of 136323722 in words is "one hundred thirty-six million, three hundred twenty-three thousand, seven hundred twenty-two".