136734428 has 24 divisors (see below), whose sum is σ = 251067264. Its totient is φ = 65073600.

The previous prime is 136734413. The next prime is 136734443. The reversal of 136734428 is 824437631.

It is an interprime number because it is at equal distance from previous prime (136734413) and next prime (136734443).

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

It is a junction number, because it is equal to n+sod(n) for n = 136734391 and 136734400.

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 7 ways as a sum of consecutive naturals, for example, 1475 + ... + 16602.

It is an arithmetic number, because the mean of its divisors is an integer number (10461136).

Almost surely, 2^136734428 is an apocalyptic number.

It is an amenable number.

136734428 is a deficient number, since it is larger than the sum of its proper divisors (114332836).

136734428 is a wasteful number, since it uses less digits than its factorization.

136734428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18173 (or 18171 counting only the distinct ones).

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

The square root of 136734428 is about 11693.3497339300. The cubic root of 136734428 is about 515.1803534601.

The spelling of 136734428 in words is "one hundred thirty-six million, seven hundred thirty-four thousand, four hundred twenty-eight".