136240273 has 4 divisors (see below), whose sum is σ = 146720308. Its totient is φ = 125760240.

The previous prime is 136240271. The next prime is 136240303. The reversal of 136240273 is 372042631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11068929 + 125171344 = 3327^2 + 11188^2 .

It is a cyclic number.

It is not a de Polignac number, because 136240273 - 2¹ = 136240271 is a prime.

It is a super-2 number, since 2×136240273² = 37122823974229058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136240271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5239998 + ... + 5240023.

It is an arithmetic number, because the mean of its divisors is an integer number (36680077).

Almost surely, 2^136240273 is an apocalyptic number.

136240273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136240273 is a deficient number, since it is larger than the sum of its proper divisors (10480035).

136240273 is a wasteful number, since it uses less digits than its factorization.

136240273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480034.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 136240273 is about 11672.2008635904. The cubic root of 136240273 is about 514.5589877726.

The spelling of 136240273 in words is "one hundred thirty-six million, two hundred forty thousand, two hundred seventy-three".