136551043 has 4 divisors (see below), whose sum is σ = 143737960. Its totient is φ = 129364128.

The previous prime is 136551031. The next prime is 136551061. The reversal of 136551043 is 340155631.

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 136551043 - 2⁵ = 136551011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136551013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3593430 + ... + 3593467.

It is an arithmetic number, because the mean of its divisors is an integer number (35934490).

Almost surely, 2^136551043 is an apocalyptic number.

136551043 is a deficient number, since it is larger than the sum of its proper divisors (7186917).

136551043 is an equidigital number, since it uses as much as digits as its factorization.

136551043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7186916.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 136551043 is about 11685.5056801150. The cubic root of 136551043 is about 514.9499344927.

The spelling of 136551043 in words is "one hundred thirty-six million, five hundred fifty-one thousand, forty-three".