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136468 = 22109313
BaseRepresentation
bin100001010100010100
320221012101
4201110110
513331333
62531444
71105603
oct412424
9227171
10136468
1193592
1266b84
134a167
1437a3a
152a67d
hex21514

136468 has 12 divisors (see below), whose sum is σ = 241780. Its totient is φ = 67392.

The previous prime is 136463. The next prime is 136471. The reversal of 136468 is 864631.

It can be written as a sum of positive squares in 2 ways, for example, as 35344 + 101124 = 188^2 + 318^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280 + ... + 592.

2136468 is an apocalyptic number.

It is an amenable number.

136468 is a deficient number, since it is larger than the sum of its proper divisors (105312).

136468 is a wasteful number, since it uses less digits than its factorization.

136468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 424 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 136468 is about 369.4157549429. The cubic root of 136468 is about 51.4845525040.

The spelling of 136468 in words is "one hundred thirty-six thousand, four hundred sixty-eight".

Divisors: 1 2 4 109 218 313 436 626 1252 34117 68234 136468