136948543 has 4 divisors (see below), whose sum is σ = 137085280. Its totient is φ = 136811808.

The previous prime is 136948541. The next prime is 136948597. The reversal of 136948543 is 345849631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345849631 = 193 ⋅1791967.

It is a cyclic number.

It is not a de Polignac number, because 136948543 - 2¹ = 136948541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136948543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136948541) 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, 66855 + ... + 68872.

It is an arithmetic number, because the mean of its divisors is an integer number (34271320).

Almost surely, 2^136948543 is an apocalyptic number.

136948543 is a deficient number, since it is larger than the sum of its proper divisors (136737).

136948543 is a wasteful number, since it uses less digits than its factorization.

136948543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136736.

The product of its digits is 311040, while the sum is 43.

The square root of 136948543 is about 11702.5015701772. The cubic root of 136948543 is about 515.4491234042.

The spelling of 136948543 in words is "one hundred thirty-six million, nine hundred forty-eight thousand, five hundred forty-three".