136725266 has 12 divisors (see below), whose sum is σ = 209039082. Its totient is φ = 67070016.

The previous prime is 136725263. The next prime is 136725269. The reversal of 136725266 is 662527631.

It is an interprime number because it is at equal distance from previous prime (136725263) and next prime (136725269).

It can be written as a sum of positive squares in 3 ways, for example, as 130074025 + 6651241 = 11405^2 + 2579^2 .

It is a super-3 number, since 3×136725266³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136725263) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6551 + ... + 17786.

Almost surely, 2^136725266 is an apocalyptic number.

136725266 is a deficient number, since it is larger than the sum of its proper divisors (72313816).

136725266 is an equidigital number, since it uses as much as digits as its factorization.

136725266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24445 (or 24392 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 136725266 is about 11692.9579662291. The cubic root of 136725266 is about 515.1688465122.

The spelling of 136725266 in words is "one hundred thirty-six million, seven hundred twenty-five thousand, two hundred sixty-six".