136388343 has 16 divisors (see below), whose sum is σ = 223817216. Its totient is φ = 71940960.

The previous prime is 136388333. The next prime is 136388347. The reversal of 136388343 is 343883631.

136388343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136388343 - 2⁹ = 136387831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136388347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249523 + ... + 250068.

It is an arithmetic number, because the mean of its divisors is an integer number (13988576).

Almost surely, 2^136388343 is an apocalyptic number.

136388343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

136388343 is a deficient number, since it is larger than the sum of its proper divisors (87428873).

136388343 is a wasteful number, since it uses less digits than its factorization.

136388343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499614.

The product of its digits is 124416, while the sum is 39.

The square root of 136388343 is about 11678.5419894780. The cubic root of 136388343 is about 514.7453329753.

The spelling of 136388343 in words is "one hundred thirty-six million, three hundred eighty-eight thousand, three hundred forty-three".