136402427 has 24 divisors (see below), whose sum is σ = 162408960. Its totient is φ = 114201360.

The previous prime is 136402421. The next prime is 136402429. The reversal of 136402427 is 724204631.

136402427 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 136402427 - 2⁴ = 136402411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136402427.

It is not an unprimeable number, because it can be changed into a prime (136402421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 646352 + ... + 646562.

It is an arithmetic number, because the mean of its divisors is an integer number (6767040).

Almost surely, 2^136402427 is an apocalyptic number.

136402427 is a deficient number, since it is larger than the sum of its proper divisors (26006533).

136402427 is a wasteful number, since it uses less digits than its factorization.

136402427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 136402427 is about 11679.1449601416. The cubic root of 136402427 is about 514.7630505787.

The spelling of 136402427 in words is "one hundred thirty-six million, four hundred two thousand, four hundred twenty-seven".