136256650 has 24 divisors (see below), whose sum is σ = 254078604. Its totient is φ = 54364800.

The previous prime is 136256641. The next prime is 136256651. The reversal of 136256650 is 56652631.

It can be written as a sum of positive squares in 6 ways, for example, as 1766241 + 134490409 = 1329^2 + 11597^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (136256651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17814 + ... + 24286.

Almost surely, 2^136256650 is an apocalyptic number.

136256650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136256650 is a deficient number, since it is larger than the sum of its proper divisors (117821954).

136256650 is a wasteful number, since it uses less digits than its factorization.

136256650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6906 (or 6901 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 136256650 is about 11672.9023811561. The cubic root of 136256650 is about 514.5796047672.

The spelling of 136256650 in words is "one hundred thirty-six million, two hundred fifty-six thousand, six hundred fifty".