136230438 has 16 divisors (see below), whose sum is σ = 273049920. Its totient is φ = 45311976.

The previous prime is 136230421. The next prime is 136230439. The reversal of 136230438 is 834032631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136230439) 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 7 ways as a sum of consecutive naturals, for example, 21508 + ... + 27111.

It is an arithmetic number, because the mean of its divisors is an integer number (17065620).

Almost surely, 2^136230438 is an apocalyptic number.

136230438 is an abundant number, since it is smaller than the sum of its proper divisors (136819482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136230438 is a wasteful number, since it uses less digits than its factorization.

136230438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49091.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 136230438 is about 11671.7795558347. The cubic root of 136230438 is about 514.5466057035.

The spelling of 136230438 in words is "one hundred thirty-six million, two hundred thirty thousand, four hundred thirty-eight".