136786346 has 8 divisors (see below), whose sum is σ = 205231620. Its totient is φ = 68375808.

The previous prime is 136786343. The next prime is 136786361. The reversal of 136786346 is 643687631.

It can be written as a sum of positive squares in 2 ways, for example, as 129163225 + 7623121 = 11365^2 + 2761^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136786297 and 136786306.

It is not an unprimeable number, because it can be changed into a prime (136786343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6410 + ... + 17738.

Almost surely, 2^136786346 is an apocalyptic number.

136786346 is a deficient number, since it is larger than the sum of its proper divisors (68445274).

136786346 is a wasteful number, since it uses less digits than its factorization.

136786346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17368.

The product of its digits is 435456, while the sum is 44.

The square root of 136786346 is about 11695.5695030212. The cubic root of 136786346 is about 515.2455497909.

The spelling of 136786346 in words is "one hundred thirty-six million, seven hundred eighty-six thousand, three hundred forty-six".