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136741 = 1131401
BaseRepresentation
bin100001011000100101
320221120111
4201120211
513333431
62533021
71106443
oct413045
9227514
10136741
1193810
1267171
134a317
1437b93
152a7b1
hex21625

136741 has 8 divisors (see below), whose sum is σ = 154368. Its totient is φ = 120000.

The previous prime is 136739. The next prime is 136751. The reversal of 136741 is 147631.

136741 = T78 + T79 + ... + T108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(136741) divides (136741-1)4.

It is a cyclic number.

It is not a de Polignac number, because 136741 - 21 = 136739 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136711) 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, 141 + ... + 541.

It is an arithmetic number, because the mean of its divisors is an integer number (19296).

2136741 is an apocalyptic number.

136741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

136741 is a deficient number, since it is larger than the sum of its proper divisors (17627).

136741 is a wasteful number, since it uses less digits than its factorization.

136741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443.

The product of its digits is 504, while the sum is 22.

The square root of 136741 is about 369.7850727112. The cubic root of 136741 is about 51.5188607200.

The spelling of 136741 in words is "one hundred thirty-six thousand, seven hundred forty-one".

Divisors: 1 11 31 341 401 4411 12431 136741