136642326 has 16 divisors (see below), whose sum is σ = 273523824. Its totient is φ = 45507584.

The previous prime is 136642313. The next prime is 136642339. The reversal of 136642326 is 623246631.

136642326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (136642313) and next prime (136642339).

It is a super-2 number, since 2×136642326² = 37342250509380552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055 + ... + 16658.

It is an arithmetic number, because the mean of its divisors is an integer number (17095239).

Almost surely, 2^136642326 is an apocalyptic number.

136642326 is an abundant number, since it is smaller than the sum of its proper divisors (136881498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136642326 is a wasteful number, since it uses less digits than its factorization.

136642326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19935.

The product of its digits is 31104, while the sum is 33.

The square root of 136642326 is about 11689.4108491403. The cubic root of 136642326 is about 515.0646552187.

Adding to 136642326 its reverse (623246631), we get a palindrome (759888957).

The spelling of 136642326 in words is "one hundred thirty-six million, six hundred forty-two thousand, three hundred twenty-six".