136431606 has 16 divisors (see below), whose sum is σ = 274442544. Its totient is φ = 45213984.

The previous prime is 136431601. The next prime is 136431611. The reversal of 136431606 is 606134631.

136431606 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 (136431601) and next prime (136431611).

It is a super-2 number, since 2×136431606² = 37227166231478472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136431601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64681 + ... + 66756.

It is an arithmetic number, because the mean of its divisors is an integer number (17152659).

Almost surely, 2^136431606 is an apocalyptic number.

136431606 is an abundant number, since it is smaller than the sum of its proper divisors (138010938).

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

136431606 is a wasteful number, since it uses less digits than its factorization.

136431606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131615.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 136431606 is about 11680.3940858175. The cubic root of 136431606 is about 514.7997537383.

The spelling of 136431606 in words is "one hundred thirty-six million, four hundred thirty-one thousand, six hundred six".