136530443 has 8 divisors (see below), whose sum is σ = 156185088. Its totient is φ = 116913384.

The previous prime is 136530439. The next prime is 136530467. The reversal of 136530443 is 344035631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 136530443 - 2² = 136530439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136530413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1121 + ... + 16562.

It is an arithmetic number, because the mean of its divisors is an integer number (19523136).

Almost surely, 2^136530443 is an apocalyptic number.

136530443 is a deficient number, since it is larger than the sum of its proper divisors (19654645).

136530443 is a wasteful number, since it uses less digits than its factorization.

136530443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18793.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 136530443 is about 11684.6242130417. The cubic root of 136530443 is about 514.9240381883.

The spelling of 136530443 in words is "one hundred thirty-six million, five hundred thirty thousand, four hundred forty-three".