136051243 has 4 divisors (see below), whose sum is σ = 139369608. Its totient is φ = 132732880.

The previous prime is 136051241. The next prime is 136051273. The reversal of 136051243 is 342150631.

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

It is a cyclic number.

It is not a de Polignac number, because 136051243 - 2¹ = 136051241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136051241) 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, 1659121 + ... + 1659202.

It is an arithmetic number, because the mean of its divisors is an integer number (34842402).

Almost surely, 2^136051243 is an apocalyptic number.

136051243 is a deficient number, since it is larger than the sum of its proper divisors (3318365).

136051243 is an equidigital number, since it uses as much as digits as its factorization.

136051243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318364.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 136051243 is about 11664.1006082767. The cubic root of 136051243 is about 514.3208983461.

The spelling of 136051243 in words is "one hundred thirty-six million, fifty-one thousand, two hundred forty-three".