136406943 has 8 divisors (see below), whose sum is σ = 202084400. Its totient is φ = 90937944.

The previous prime is 136406911. The next prime is 136406957. The reversal of 136406943 is 349604631.

136406943 is a `hidden beast` number, since 1 + 3 + 640 + 6 + 9 + 4 + 3 = 666.

136406943 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 136406943 - 2⁵ = 136406911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136406898 and 136406907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136406903) 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, 2526028 + ... + 2526081.

It is an arithmetic number, because the mean of its divisors is an integer number (25260550).

Almost surely, 2^136406943 is an apocalyptic number.

136406943 is a deficient number, since it is larger than the sum of its proper divisors (65677457).

136406943 is an equidigital number, since it uses as much as digits as its factorization.

136406943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5052118 (or 5052112 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 136406943 is about 11679.3382946124. The cubic root of 136406943 is about 514.7687314265.

The spelling of 136406943 in words is "one hundred thirty-six million, four hundred six thousand, nine hundred forty-three".