136943847 has 6 divisors (see below), whose sum is σ = 197807792. Its totient is φ = 91295892.

The previous prime is 136943831. The next prime is 136943867. The reversal of 136943847 is 748349631.

It is not a de Polignac number, because 136943847 - 2⁴ = 136943831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136943827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7607983 + ... + 7608000.

Almost surely, 2^136943847 is an apocalyptic number.

136943847 is a deficient number, since it is larger than the sum of its proper divisors (60863945).

136943847 is a wasteful number, since it uses less digits than its factorization.

136943847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15215989 (or 15215986 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 136943847 is about 11702.3009275954. The cubic root of 136943847 is about 515.4432317101.

The spelling of 136943847 in words is "one hundred thirty-six million, nine hundred forty-three thousand, eight hundred forty-seven".