136748233 has 4 divisors (see below), whose sum is σ = 138284820. Its totient is φ = 135211648.

The previous prime is 136748207. The next prime is 136748251. The reversal of 136748233 is 332847631.

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 24324624 + 112423609 = 4932^2 + 10603^2 .

It is not a de Polignac number, because 136748233 - 2¹³ = 136740041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136748192 and 136748201.

It is not an unprimeable number, because it can be changed into a prime (136742233) 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, 768160 + ... + 768337.

It is an arithmetic number, because the mean of its divisors is an integer number (34571205).

Almost surely, 2^136748233 is an apocalyptic number.

It is an amenable number.

136748233 is a deficient number, since it is larger than the sum of its proper divisors (1536587).

136748233 is an equidigital number, since it uses as much as digits as its factorization.

136748233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536586.

The product of its digits is 72576, while the sum is 37.

The square root of 136748233 is about 11693.9400118181. The cubic root of 136748233 is about 515.1976907797.

The spelling of 136748233 in words is "one hundred thirty-six million, seven hundred forty-eight thousand, two hundred thirty-three".