136390 has 16 divisors (see below), whose sum is σ = 256608. Its totient is φ = 52096.

The previous prime is 136379. The next prime is 136393. The reversal of 136390 is 93631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67 + ... + 526.

It is an arithmetic number, because the mean of its divisors is an integer number (16038).

2¹³⁶³⁹⁰ is an apocalyptic number.

136390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136390 is a deficient number, since it is larger than the sum of its proper divisors (120218).

136390 is a wasteful number, since it uses less digits than its factorization.

136390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 136390 is about 369.3101677452. The cubic root of 136390 is about 51.4747417537.

The spelling of 136390 in words is "one hundred thirty-six thousand, three hundred ninety".