136389486 has 16 divisors (see below), whose sum is σ = 287136000. Its totient is φ = 43070328.

The previous prime is 136389439. The next prime is 136389499. The reversal of 136389486 is 684983631.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598086 + ... + 598313.

It is an arithmetic number, because the mean of its divisors is an integer number (17946000).

Almost surely, 2^136389486 is an apocalyptic number.

136389486 is an abundant number, since it is smaller than the sum of its proper divisors (150746514).

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

136389486 is a wasteful number, since it uses less digits than its factorization.

136389486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196423.

The product of its digits is 746496, while the sum is 48.

The square root of 136389486 is about 11678.5909252786. The cubic root of 136389486 is about 514.7467709092.

The spelling of 136389486 in words is "one hundred thirty-six million, three hundred eighty-nine thousand, four hundred eighty-six".