136437428 has 12 divisors (see below), whose sum is σ = 243845952. Its totient is φ = 66767160.

The previous prime is 136437401. The next prime is 136437437. The reversal of 136437428 is 824734631.

136437428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 136437391 and 136437400.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 362678 + ... + 363053.

It is an arithmetic number, because the mean of its divisors is an integer number (20320496).

Almost surely, 2^136437428 is an apocalyptic number.

It is an amenable number.

136437428 is a deficient number, since it is larger than the sum of its proper divisors (107408524).

136437428 is a wasteful number, since it uses less digits than its factorization.

136437428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725782 (or 725780 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 136437428 is about 11680.6433042020. The cubic root of 136437428 is about 514.8070763855.

The spelling of 136437428 in words is "one hundred thirty-six million, four hundred thirty-seven thousand, four hundred twenty-eight".