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136245 = 3531293
BaseRepresentation
bin100001010000110101
320220220010
4201100311
513324440
62530433
71105134
oct412065
9226803
10136245
11933aa
1266a19
134a025
143791b
152a580
hex21435

136245 has 16 divisors (see below), whose sum is σ = 225792. Its totient is φ = 70080.

The previous prime is 136237. The next prime is 136247. The reversal of 136245 is 542631.

Adding to 136245 its reverse (542631), we get a palindrome (678876).

It is a happy number.

It is not a de Polignac number, because 136245 - 23 = 136237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136247) 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 15 ways as a sum of consecutive naturals, for example, 319 + ... + 611.

It is an arithmetic number, because the mean of its divisors is an integer number (14112).

2136245 is an apocalyptic number.

136245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136245 is a deficient number, since it is larger than the sum of its proper divisors (89547).

136245 is a wasteful number, since it uses less digits than its factorization.

136245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332.

The product of its digits is 720, while the sum is 21.

The square root of 136245 is about 369.1138035891. The cubic root of 136245 is about 51.4564938759.

The spelling of 136245 in words is "one hundred thirty-six thousand, two hundred forty-five".