136662747 has 8 divisors (see below), whose sum is σ = 196233744. Its totient is φ = 84100128.

The previous prime is 136662739. The next prime is 136662749. The reversal of 136662747 is 747266631.

It is a happy number.

136662747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 136662747 - 2³ = 136662739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136662699 and 136662708.

It is not an unprimeable number, because it can be changed into a prime (136662749) 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, 1752048 + ... + 1752125.

It is an arithmetic number, because the mean of its divisors is an integer number (24529218).

Almost surely, 2^136662747 is an apocalyptic number.

136662747 is a deficient number, since it is larger than the sum of its proper divisors (59570997).

136662747 is a wasteful number, since it uses less digits than its factorization.

136662747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504189.

The product of its digits is 254016, while the sum is 42.

The square root of 136662747 is about 11690.2842993659. The cubic root of 136662747 is about 515.0903124991.

The spelling of 136662747 in words is "one hundred thirty-six million, six hundred sixty-two thousand, seven hundred forty-seven".