136437706 has 4 divisors (see below), whose sum is σ = 204656562. Its totient is φ = 68218852.

The previous prime is 136437703. The next prime is 136437739. The reversal of 136437706 is 607734631.

136437706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 71554681 + 64883025 = 8459^2 + 8055^2 .

It is not an unprimeable number, because it can be changed into a prime (136437701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34109425 + ... + 34109428.

Almost surely, 2^136437706 is an apocalyptic number.

136437706 is a deficient number, since it is larger than the sum of its proper divisors (68218856).

136437706 is an equidigital number, since it uses as much as digits as its factorization.

136437706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68218855.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 136437706 is about 11680.6552042255. The cubic root of 136437706 is about 514.8074260360.

The spelling of 136437706 in words is "one hundred thirty-six million, four hundred thirty-seven thousand, seven hundred six".